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释义 |
Radiotelephony procedure (also on-air protocol and voice procedure) includes various techniques used to clarify, simplify and standardize spoken communications over two-way radios, in use by the armed forces, in civil aviation, police and fire dispatching systems, citizens' band radio (CB), and amateur radio. Voice procedure communications are intended to maximize clarity of spoken communication and reduce errors in the verbal message by use of an accepted nomenclature. It consists of a signalling protocol such as the use of abbreviated codes like the CB radio ten-code, Q codes in amateur radio and aviation, police codes, etc., and jargon. Some elements of voice procedure are understood across many applications, but significant variations exist. The armed forces of the NATO countries have similar procedures in order to make cooperation easier and pseudo-military organisations often base their procedures on them, so some commonality exists there. The impacts of having radio operators who are not well-trained in standard procedures can cause significant operational problems and delays, as exemplified by one case of amateur radio operators during Hurricane Katrina, in which: ...many of the operators who were deployed had excellent go-kits and technical ability, but were seriously wanting in traffic handling skill. In one case it took almost 15 minutes to pass one 25 word message.[1] IntroductionRadiotelephony procedures encompass international regulations, official procedures, technical standards, and commonly understood conventions intended to ensure efficient, reliable, and inter-operable communications via all modes of radio communications. The most well-developed and public procedures are contained in the Combined Communications Electronics Board's Allied Communications Procedure ACP 125(G): Communications Instructions Radiotelephone Procedures.[2] These procedures consist of many different components. The three most important ones are:
These procedures have been developed, tested under the most difficult of conditions, then revised to implement the lessons learned, many times since the early 1900s. According to ACP 125(G)[2] and the Virginia Defense Force Signal Operating Instructions:[4] Voice procedure is designed to provide the fastest and most accurate method of speech transmission. All messages should be pre-planned, brief and straightforward. Ideally, messages should be written down: even brief notes reduce the risk of error. Messages should be constructed clearly and logically in order not to confuse the recipient.Voice procedure is necessary because:
Radio operators must talk differently because two-way radios reduce the quality of human speech in such a way that it becomes harder to understand. A large part of the radio-specific procedures is the specialized language that has been refined over more than 100 years. There are several main methods of communication over radio, and they should be used in this order of preference:
International Radio RegulationsAll radio communications on the planet operate under regulations created by the ITU-R, which prescribes most of the basic voice radio procedures, and these are further codified by each individual country. United States radio regulationsIn the U.S., radio communications are regulated by the NTIA and the FCC. Regulations created by the FCC are codified in Title 47 of the Code of Federal Regulations:
Radio call signsRadio call signs are a globally unique identifier assigned to all stations that are required to obtain a license in order to emit RF energy. The identifiers consist of from 3 to 9 letters and digits, and while the basic format of the call signs are specified by the ITU-R Radio Regulations, Article 19, Identification of stations,[5] though the details are left up to each country's radio licencing organizations. Official call signs{{Main|ITU prefix}}Each country is assigned a range of prefixes, and the radiotelecommunications agencies within each country then responsible for allocating call signs, within the format defined by the RR, as they see fit. The Radio Regulations require most radio stations to regularly identify themselves by means of their official station call sign or other unique identifier.Functional designatorsBecause official radio call signs have no inherent meaning outside of the above-described patterns, and other than individually licensed Amateur radio stations, do not serve to identify the person using the radio, they are not usually desirable as the primary means of identifying which person, department, or function is transmitting or is being contacted. For this reason, functional designators (a.k.a. tactical call signs) are frequently used to provide such identification. Such designators are not sufficient to meet the FCC requirements that stations regularly identify the license they are operating under, typically every x number of minutes and at the end of each transmission, where x ranges from 10 to 30 minutes (longer for broadcast stations). For the some radio services, the FCC authorizes alternate station IDs,[6] typically in situations where the alternate station ID serves the purposes of identifying the transmitting station better than the standard ITU format. These include:
Call signs in the United States{{Main|Call signs in the United States}}The United States has been assigned all call signs with the prefixes K, N, and W, as well as AAA–ALZ. Allocating call signs within these groups is the responsibility of the National Telecommunications and Information Administration (most all government stations) or the Federal Communications Commission (all other stations), and they subdivide the radio call signs into the following groups:Military call sign systems
Amateur call sign systems{{Main|Amateur radio licensing in the United States}}Ham station call signs begin with A, K, N or W, and have a single digit from 0 to 9 that separates the 1 or 2 letter prefix from the 2 or 3 letter suffix (special event stations have only three characters: the prefix, the digit, and a one-letter suffix).[7]Maritime call signs{{Main|Maritime call sign}}Maritime call signs have a much more complex structure, and are sometimes replaced with the name of the vessel or a Maritime Mobile Service Identity (MMSI) number.Microphone techniqueMicrophones are imperfect reproducers of the human voice, and will distort the human voice in ways that make it unintelligible unless a set of techniques are used to avoid the problems. The recommended techniques vary, but generally align with the following guidelines, which are extracted from the IARU Emergency Telecommunications Guide[8]
Similarly, the U.S. military radio procedures recommend headsets with noise-cancelling microphones: Use of Audio Equipment. In many situations, particularly in noisy or difficult conditions, the use of headsets fitted with a noise cancelling microphone is preferable to loudspeakers as a headset will aid concentration and the audibility of the incoming signal. The double-sided, noise cancelling microphone is designed to cancel out surrounding noise, for example engine noise or gunfire, allowing speech entering on one side to pass freely. The microphone should be as close to the mouth as possible.[9]The U.S. Navy radio operator training manuals contain similar guidelines, including NAVPERS 10228-B, Radioman 3 & 2 training course (1957 edition):[10] Dos:
Do Nots:
Many radio systems also require the operator to wait a few seconds after depressing the PTT button before speaking, and so this is a recommended practice on all systems. The California Statewide EMS Operations and Communications Resource Manual explains why: Key your transmitter before engaging in speech. The complexities in communications system design often introduce delay in the time it takes to turn on the various components comprising the system. Transmitters take time to come up to full power output, tone squelch decoding equipment requires time to open receivers and receiver voting systems take time to select the best receiver. While these events generally are accomplished in less than one second's time, there are many voice transmissions that could be missed in their entirety if the operator did not delay slightly before beginning his/her voice message. Pausing one second after depressing the push-to-talk button on the microphone or handset is sufficient in most cases to prevent missed words or responses.[11]Further, transmissions should be kept as short as possible; a maximum limit of 20 or 30 seconds is typically suggested: Transmissions should generally be kept to less than 20 seconds, or within the time specifically allocated by the system. Most radio systems limit transmissions to less than 30 seconds to prevent malfunctioning transmitters or accidentally keyed microphones from dominating a system, and will automatically stop transmitting at the expiration of the allowed time cutting off additional audio.[11] Speech techniqueCommunicating by voice over two-way radios is more difficult than talking with other people face-to-face or over the telephone. The human voice is changed dramatically by two-way radio circuits. In addition to cutting off important audio bandwidth at both the low and high ends of the human speech spectrum (reducing the bandwidth by at least half, other distortions of the voice occur in the microphone, transmitter, receiver, and speaker—and the radio signal itself is subject to fading, interruptions, and other interference. All of these make human speech more difficult to recognize. In particular, because momentary disruptions or distortions of the signal are likely to block the transmission of entire syllables. The best way to overcome these problems is by greatly reducing the number of single-syllable words used. This is very much counter to the human nature of taking shortcuts, and so takes training, discipline, and having all operators using the same language, techniques, and procedures.[12] Method of speechSeveral radio operation procedures manuals, including ACP 125(G) teach the same mnemonic of Rhythm, Speed, Volume, and Pitch (RSVP):[13]
According to the UK's Radiotelephony Manual, CAP 413, radio operators should talk at a speed of fewer than 100 words per minute. Radio disciplineCommunicating over a half-duplex, shared circuit with multiple parties requires a large amount of discipline in following the established procedures and conventions, because whenever one particular radio operator is transmitting, that operator can not hear any other station on the channel being used.[15][16][17][18] ABC—Accuracy, Brevity, ClarityThe initialism ABC is commonly used as a memory aid to reinforce the three most important rules about what to transmit.[19] The Five Ws{{Main|Five Ws}}Whenever a report or a request is transmitted over a two-way radio, the operator should consider including the standard Five Ws in the transmission, so as to eliminate additional requests for information that may occur and thereby delay the request (and other communications).
Other rules
Voice proceduresThe procedures described in this section can be viewed as the base of all voice radio communications procedures. Service-specific proceduresHowever, the international aviation and maritime industries, because their global expansion in the 20th century coincided with, and were heavily integral to the development of voice procedures and other aspects in the development of two-way radio technology, gradually developed their own variations on these procedures. Aeronautical Mobile Service{{Main|Aeronautical phraseology}}Voice communications procedures for international air traffic control and communications among airplanes are defined by the following International Civil Aviation Organization documents:
Refinements and localization of these procedures can be done by each member country of ICAO.
Maritime Mobile Service{{Main|Standard Marine Communication Phrases}}{{See also|Marine VHF radio#Operating procedure}}Voice procedures for use on ships and boats are defined by the International Telecommunication Union and the International Maritime Organization bodies of the United Nations, and by international treaties such as the Safety of Life a Sea Convention (a.k.a. SOLAS 74), and by other documents, such as the International Code of Signals.
Police proceduresIn the U.S., the organization chartered with devising police communications procedures is APCO International, the Association of Police Communications Officers, which was founded in 1935. For the most part, APCO's procedures have been developed independently of the worldwide standard operating procedures, leading to most police departments using a different spelling alphabet, and the reverse order of calling procedure (e.g. 1-Adam-12 calling Dispatch). However, APCO occasionally follows the international procedure standards, having adopted the U.S. Navy's Morse code procedure signs in the 1930s, and adopting the ICAO radiotelephony spelling alphabet in 1974, replacing its own Adam-Boy-Charles alphabet adopted in 1940, although very few U.S. police departments made the change. APCO has also specified Standard Description Forms, a standard order of reporting information describing people and vehicles. Standard description of personsThe Standard Description of Persons format first appeared in the April 1950 edition of the APCO Bulletin.[29]
Standard description of automobilesAPCO promotes the mnemonic CYMBALS for reporting vehicle descriptions:[29]
Calling procedureThe voice calling procedure (sometimes referred to as "method of calling" or "communications order model") is the standardized method of establishing communications. The order of transmitting the called station's call sign, followed by the calling station's call sign, was first specified for voice communications in the International Radiotelegraph Convention of Washington, 1927,[30] however it matches the order used for the radiotelegraph calling procedure that had already existed since at least 1912.{{Citation needed|date=January 2018}} In the United States, the radiotelegraph calling procedure is legally defined in FCC regulations Part 80.97 (47 CFR 80.97(c)), which specifies that the method of calling begins with the call sign of the station called, not more than twice, [THIS IS] and the call sign of the calling station, not more than twice".[31] This order is also specified by the ICAO for international aviation radio procedures (Annex 10 to the Convention on. International Civil Aviation: Aeronautical Telecommunications.[32]), the FAA (Aeronautical Information Manual[33]) and by the ITU-R for the Maritime Mobile Service (ITU-R M.1171),[34] and the U.S. Coast Guard (Radiotelephone Handbook[35]). The March, 1940 issue of The APCO Bulletin explains the origin of this order was found to have better results than other methods,[36]
Break-in procedureStations needing to interrupt other communications in-progress shall use the most appropriate of the below procedure words, followed by their call sign. The use of these emergency signals is governed by the International Radio Regulations that have the force of law in most countries, and were originally defined in the International Code of Signals and the International Convention for the Safety of Life at Sea, so the rules for their use emanate from that document. All of these break-in procedure words must be followed by your call sign, because that information will help the NCS determine the relevant importance when dealing with multiple break-ins of the same precedence, and to determine the relevance when multiple calls offering a CORRECTION or INFO are received.
Order of priority of communicationsThe priority levels described below are derived from Article 44 of the ITU Radio Regulations, Chapter VIII, and were codified as early as the International Telecommunication Convention, Atlantic City, 1947 (but probably existed much earlier).
Procedure words{{Main|Procedure word}}{{See also|Brevity code}}Procedure words are a direct voice replacement for procedure signs (prosigns) and operating signals (such as Q code
Radio checks{{Main|Plain language radio checks}}Whenever an operator is transmitting and uncertain of how good their radio and/or voice signal are, they can use the following procedure words to ask for a signal strength and readability report. This is the modern method of signal reporting that replaced the old 1 to 5 scale reports for the two aspects of a radio signal, and as with the procedure words, are defined in ACP 125(G):The prowords listed below are for use when initiating and answering queries concerning signal strength and readability.
Signal strength prowordsIn the tables below, the mappings of the QSA and QRK Morse code prosigns is interpreted because there is not a 1:1 correlation. See QSA and QRK code for the full procedure specification.
Readability prowords
The reporting format is one of the signal strength prowords followed by an appropriate conjunction, with that followed by one of the readability prowords: LOUD AND CLEAR means Excellent copy with no noise GOOD AND READABLE means Good copy with slight noise FAIR BUT READABLE means Fair copy, occasional fills are needed WEAK WITH INTERFERENCE means Weak copy, frequent fills are needed because of interference from other radio signals. WEAK AND UNREADABLE means Unable to copy, a relay is required According to military usage, if the response would be LOUD AND CLEAR, you may also respond simply with the proword ROGER. However, because this reporting format is not currently used widely outside of military organizations, it is better to always use the full format, so that there is no doubt about the response by parties unfamiliar with minimization and other shorthand radio operating procedures. International Radiotelephony Spelling Alphabet{{Main|NATO phonetic alphabet}}The International Civil Aviation Organization (ICAO), International Telecommunication Union, and the International Maritime Organization (all agencies of the United Nations), plus NATO, all specify the use of the ICAO Radiotelephony Spelling Alphabet for use when it is necessary to spell out words, callsigns, and other letter/number sequences. It was developed with international cooperation and ratified in 1956, and has been in use unmodified ever since.Rules for spellingSpelling is necessary when difficult radio conditions prevent the reception of an obscure word, or of a word or group, which is unpronounceable. Such words or groups within the text of plain language messages may be spelt using the phonetic alphabet; they are preceded by the proword "I SPELL". If the word is pronounceable and it is advantageous to do so, then it should be spoken before and after the spelling to help identify the word.[44] Rules for numbers and figuresWhen radio conditions are satisfactory and confusion will not arise, numbers in the text of a message may be spoken as in normal speech. During difficult conditions, or when extra care is necessary to avoid misunderstanding, numbers are sent figure by figure preceded by the proword FIGURES. This proword warns that figures follow immediately, to help distinguish them from other similarly pronounced words.[44]
Closing downEnding a two-way radio call has its own set of procedures:
Radio nets{{Main|Net operation}}Nets operate either on schedule or continuously (continuous watch). Nets operating on schedule handle traffic only at definite, prearranged times and in accordance with a prearranged schedule of intercommunication. Nets operating continuously are prepared to handle traffic at any time; they maintain operators on duty at all stations in the net at all times. When practicable, messages relating to schedules will be transmitted by a means of signal communication other than radio.[45]Net managerA net manager is the person who supervises the creation and operation of a net over multiple sessions. This person will specify the format, date, time, participants, and the net control script. The net manager will also choose the Net Control Station for each net, and may occasionally take on that function, especially in smaller organizations. Net Control StationRadio nets are like conference calls in that both have a moderator who initiates the group communication, who ensures all participants follow the standard procedures, and who determines and directs when each other station may talk. The moderator in a radio net is called the Net Control Station, formally abbreviated NCS, and has the following duties:[46]
The Net Control Station will, for each net, appoint at least one Alternate Net Control Station, formally abbreviated ANCS (abbreviated NC2 in WWII procedures), who has the following duties:[46]
Structure of the netNets can be described as always having a net opening and a net closing, with a roll call normally following the net opening, itself followed by regular net business, which may include announcements, official business, and message passing. Military nets will follow a very abbreviated and opaque version of the structure outlined below, but will still have the critical elements of opening, roll call, late check-ins, and closing. A net should always operate on the same principle as the inverted pyramid used in journalism—the most important communications always come first, followed by content in ever lower levels of priority.
Each net will typically have a main purpose, which varies according to the organization conducting the net, which occurs during the net business phase. For amateur radio nets, it's typically for the purpose of allowing stations to discuss their recent operating activities (stations worked, antennas built, etc.) or to swap equipment. For Military Auxiliary Radio System and National Traffic System nets, net business will involve mainly the passing of formal messages, known as radiograms. Time synchronization procedures{{Main|Time synchronization over radio}}Stations without the ability to acquire a time signal accurate to at least one second should request a time check at the start of every shift, or once a day minimum. Stations may ask the NCS for a time check by waiting for an appropriate pause, keying up and stating your call sign, and then using the prowords "REQUEST TIME CHECK, OVER" when the NCS calls on you. Otherwise, you may ask any station that has access to any of the above time signals for a time check. Once requested, the sending station will state the current UTC time plus one minute, followed by a countdown as follows: This is Net Control, TIME CHECK WUN AIT ZERO TOO ZULU (pause) WUN FIFE SECONDS…WUN ZERO SECONDS…FIFE FOWER TREE TOO WUN…TIME WUN AIT ZERO TOO ZULU…OVERThe receiving station will then use the proword "TIME" as the synch mark, indicating zero seconds. If the local time is desired instead of UTC, substitute the time zone code "JULIETT" for "ZULU". Instead of providing time checks on an individual basis, the NCS should give advance notice of a time check by stating, for example, "TIME CHECK AT 0900 JULIETT", giving all stations sufficient time to prepare their clocks and watches for adjustment. A period of at least five minutes is suggested. Modes of radio net operation
Types of net callsWhen calling stations who are part of a net, a variety of types of calls can be used:
Types of radio netsThe Civil Air Patrol and International Amateur Radio Union define a number of different nets which represent the typical type and range used in civilian radio communications:
Radio net procedure wordsU.S. Army Field Manual ACP 125(G) has the most complete set of procedure words used in radio nets:[50]
Example usageAeronautical mobile procedure{{see also|Tenerife airport disaster#Safety response}}The Federal Aviation Administration uses the term phraseology to describe voice procedure or communications protocols used over telecommunications circuits. An example is air traffic control radio communications. Standardised wording is used and the person receiving the message may repeat critical parts of the message back to the sender. This is especially true of safety-critical messages.[51] Consider this example of an exchange between a controller and an aircraft: Aircraft: Boston Tower, Warrior three five foxtrot (35F), holding short of two two right.Tower: Warrior three five foxtrot, Boston Tower, runway two two right, cleared for immediate takeoff. Aircraft: Roger, cleared for immediate takeoff, two two right, Warrier three five foxtrot. On telecommunications circuits, disambiguation is a critical function of voice procedure. Due to any number of variables, including radio static, a busy or loud environment, or similarity in the phonetics of different words, a critical piece of information can be misheard or misunderstood; for instance, a pilot being ordered to eleven thousand as opposed to seven thousand. To reduce ambiguity, critical information may be broken down and read as separate letters and numbers. To avoid error or misunderstanding, pilots will often read back altitudes in the tens of thousands using both separate numbers and the single word (example: given a climb to 10,000 ft, the pilot replies "[Callsign] climbing to One zero, Ten Thousand"). However, this is usually only used to differentiate between 10,000 and 11,000 ft since these are the most common altitude deviations. The runway number read visually as eighteen, when read over a voice circuit as part of an instruction, becomes one eight. In some cases a spelling alphabet is used (also called a radio alphabet or a phonetic alphabet). Instead of the letters AB, the words Alpha Bravo are used. Main Street becomes Mike Alpha India November street, clearly separating it from Drain Street and Wayne Street. The numbers 5 and 9 are pronounced "fife" and "niner" respectively, since "five" and "nine" can sound the same over the radio. The use of 'niner' in place of 'nine' is due to German-speaking NATO allies for whom the spoken word 'nine' could be confused with the German word 'nein' or 'no'. Over fire service radios, phraseology may include words that indicate the priority of a message, for example:[52] Forty Four Truck to the Bronx, Urgent! or San Diego, Engine Forty, Emergency traffic! Words may be repeated to modify them from traditional use in order to describe a critical message:[53] Evacuate! Evacuate! Evacuate! A similar technique may be used in aviation for critical messages. For example, this transmission might be sent to an aircraft that has just landed and has not yet cleared the runway. Echo-Foxtrot-Charlie, Tower. I have engine out traffic on short final. Exit runway at next taxiway. Expedite! Expedite! Police Radios{{Where|date=July 2011}} also use this technique to escalate a call that is quickly becoming an emergency. Code 3! Code 3! Code 3! Railroads have similar processes. When instructions are read to a locomotive engineer, they are preceded by the train or locomotive number, direction of travel and the engineer's name. This reduces the possibility that a set of instructions will be acted on by the wrong locomotive engineer: Five Sixty Six West, Engineer Jones, okay to proceed two blocks west to Ravendale. Phraseology on telecommunications circuits may employ special phrases like ten codes, Sigalert, Quick Alert! or road service towing abbreviations such as T6. This jargon may abbreviate critical data and alert listeners by identifying the priority of a message. It may also reduce errors caused by ambiguities involving rhyming, or similar-sounding, words. Maritime mobile procedure(Done on VHF Ch 16) Boat "Albacore" talking to Boat "Bronwyn" Albacore: Bronwyn, Bronwyn, Bronwyn* this is Albacore, OVER. (*3×1, repeating the receiver's callsign up to 3 times, and the sender's once, is proper procedure and should be used when first establishing contact, especially over a long distance. A 1×1, i.e. 'Bronwyn this is Albacore,' or 2×1, i.e. 'Bronwyn, Bronwyn, this is Albacore,' is less proper, but acceptable especially for a subsequent contact.)[54]Bronwyn: Albacore, this is Bronwyn, OVER. (** At this point switch to a working channel as 16 is for distress and hailing only**) Albacore: This is Albacore. Want a tow and are you OK for tea at Osbourne Bay? OVER. Bronwyn: This is Bronwyn. Negative, got engine running, 1600 at clubhouse fine with us. OVER. Albacore: This is Albacore, ROGER, OUT. "Copy that" is incorrect. COPY is used when a message has been intercepted by another station, i.e. a third station would respond: Nonesuch: Bronwyn, this is Nonesuch. Copied your previous, will also see you there, OUT. One should always use one's own callsign when transmitting. British ArmyStation C21A (charlie-two-one Alpha) talking to C33B (charlie-three-three Bravo):[55] C21A: C33B, this is C21A, message, OVER. C33B: C33B, send, OVER. C21A: Have you got C1ØD Sunray at your location?, OVER. C33B: Negative, I think he is with C3ØC, OVER. C21A: Roger, OUT. The advantage of this sequence is that the recipient always knows who sent the message. The downside is that the listener only knows the intended recipient from the context of the conversation. Requires moderate signal quality for the radio operator to keep track of the conversations. However a broadcast message and response is fairly efficient. Sunray (Lead) Charlie Charlie (Collective Call - everyone), this is Sunray. Radio check, OVER. C-E-5-9: Sunray, this is Charlie Echo five niner, LOUD AND CLEAR, OVER. Y-S-7-2 Sunray, this is Yankee Sierra Seven Two, reading three by four. OVER. B-G-5-2: Sunray, this is Bravo Golf Five Two, Say again. OVER. E-F-2-0: Sunray, this is Echo Foxtrot Two Zero, reading Five by Four OVER. Sunray: Charlie Charlie this is Sunray, OUT. The "Say again" response from B-G-5-2 tells Sunray that the radio signal is not good and possibly unreadable. Sunray can then re-initiate a Call onto B-G-5-2 and start another R/C or instruct them to relocate, change settings, etc. So it could carry on with: Sunray: Bravo Golf Five Two this is sunray, RADIO CHECK OVER. B-G-5-2: Sunray this is Bravo Golf Five Two, unclear, read you 2 by 3 OVER. Sunray: Sunray copies, Relocate to Grid One Niner Zero Three Three Two for a better signal OVER. B-G-5-2: Bravo Golf Five Two copies and is Oscar Mike, Bravo Golf Five Two OUT. See also
Notes1. ^{{Cite journal|last=Sant Andrea|first=Steve|date=April 2010|title=When Not to Operate: During emergency operations listening and common sense are key.|url=|journal=QST|volume=|pages=|via=}} 2. ^1 {{Cite book|url=http://www.k1chr.org/ACP%20125%20%28G%29%20Radio%20Telephone%20Procedures%20NOV%202016.pdf|title=ACP 125(G): Communications Instructions – Radiotelephone Procedures|last=|first=|date=|publisher=Combined Communications-Electronics Board|year=2016|isbn=|editor-last=Mills|editor-first=C.J.|edition=(G)|location=|publication-date=2016-11-28|pages=|type=Unclassified, public military procedures document.|format=PDF|access-date=2017-12-14}} 3. ^1 {{Cite book|title=Reeds PBO Small Craft Almanac 2014|last=|first=|publisher=Reeds|year=2014|isbn=9781408193303|location=|pages=108}} 4. ^{{Cite web|url=http://lafayettebrigade.org/s6/VADF_SOI_07_updated_1-2008.pdf|title=Virginia Defense Force Division Signal Operating Instruction (SOI) 24-1|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 5. ^{{Cite web|url=http://life.itu.int/radioclub/rr/art19.pdf|title=ITU-R Radio Regulations, Article 19, Identification of stations|last=|first=|date=|website=|access-date=}} 6. ^{{Cite web|url=https://www.law.cornell.edu/cfr/text/47/2.303|title=47 CFR 2.303 - Other forms of identification of stations.|last=|first=|date=|website=|access-date=}} 7. ^{{Cite web|url=https://www.fcc.gov/wireless/bureau-divisions/mobility-division/amateur-radio-service/amateur-call-sign-systems|title=Amateur Call Sign Systems|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 8. ^{{Cite web|url=http://www.iaru.org/uploads/1/3/0/7/13073366/emcommguide_1sept2016.pdf|title=IARU Emergency Telecommunications Guide|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 9. ^1 2 3 {{Cite book|url=http://www.k1chr.org/ACP%20125%20%28G%29%20Radio%20Telephone%20Procedures%20NOV%202016.pdf|title=ACP 125(G): Communications Instructions – Radiotelephone Procedures|last=|first=|date=|publisher=Combined Communications-Electronics Board|year=2016|isbn=|editor-last=Mills|editor-first=C.J.|edition=(G)|location=|publication-date=2016-11-28|pages=|type=Unclassified, public military procedures document.|format=PDF|access-date=2017-12-14}} 10. ^{{Cite web|url=http://www.virhistory.com/navy/manuals/rm32-10228B-1957.pdf|title=NAVPERS 10228-B, Radioman 3 & 2 training course (1957 edition)|last=|first=|date=|website=|access-date=}} 11. ^1 {{Cite web|url=https://emsa.ca.gov/wp-content/uploads/sites/47/2017/07/EMSA145.pdf|title=California Statewide EMS Operations and Communications Resource Manual|last=|first=|date=|website=|access-date=}} 12. ^{{Cite web|url=http://www.haskins.yale.edu/Reprints/HL0239.pdf|title=Recognition of Monosyllabic Words in Continuous Sentences Using Composite Word Templates|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 13. ^{{Cite book|url=http://www.k1chr.org/ACP%20125%20%28G%29%20Radio%20Telephone%20Procedures%20NOV%202016.pdf|title=ACP 125(G): Communications Instructions – Radiotelephone Procedures|last=|first=|date=|publisher=Combined Communications-Electronics Board|year=2016|isbn=|editor-last=Mills|editor-first=C.J.|edition=(G)|location=|publication-date=2016-11-28|pages=|type=Unclassified, public military procedures document.|format=PDF|access-date=2017-12-14}} 14. ^{{Cite web|url=https://publicapps.caa.co.uk/docs/33/CAP413v21_6.pdf|title=Radiotelephony Manual, CAP 413|last=|first=|date=|website=|access-date=}} 15. ^{{Cite web|url=https://www.capmembers.com/media/cms/R100_003_4C83447E87350.pdf|title=CAP REGULATION 100-3 Radiotelephone Operations|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 16. ^{{Cite web|url=https://www.capmembers.com/media/cms/R100_003_4C83447E87350.pdf|title=CAP R100-3|last=|first=|date=|website=|access-date=}} 17. ^{{Cite web|url=https://quality2wayradios.com/store/two-way-radio-etiquette|title=two way radio ettiqute|last=|first=|date=|website=|access-date=}} 18. ^{{Cite web|url=http://sixminutes.dlugan.com/stop-um-uh-filler-words/|title=How to Stop Saying Um, Uh, and Other Filler Words|last=|first=|date=|website=|access-date=}} 19. ^{{Cite web|url=http://www.trngcmd.marines.mil/Portals/207/Docs/TBS/MCRP%203-40.3B%20Radio%20Operators%20Handbook.pdf|title=U.S. Marine Corps Radio Operators Handbook|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 20. ^1 2 3 4 {{Cite web|url=https://www.jamaicaham.org/downloads/Radio%20Voice%20Procedure.pdf|title=Jamacian Radio Voice Procedure (so-so)|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 21. ^1 {{Cite web|url=http://www.harriscountyares.org/ops/operating_tips.pdf|title=Communications Procedures|last=|first=|date=|website=|access-date=}} 22. ^{{Cite web|url=https://www.icao.int/secretariat/PostalHistory/annex_10_aeronautical_telecommunications.htm|title=THE POSTAL HISTORY OF ICAO Annex 10 - Aeronautical Telecommunications|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 23. ^{{Cite web|url=https://store.icao.int/annex-10-aeronautical-telecommunications-volume-ii-english-printed.html|title=ANNEX 10 - AERONAUTICAL TELECOMMUNICATIONS - VOLUME II - ENGLISH|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 24. ^{{Cite web|url=https://www.icao.int/cybersecurity/Lists/Source/DispForm.aspx?ID=46|title=Doc 4444, PROCEDURES FOR AIR NAVIGATION SERVICES, Air Traffic Management|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 25. ^{{Cite web|url=https://store.icao.int/manual-of-radiotelephony-doc-9432-english-printed.html|title=MANUAL OF RADIOTELEPHONY 4TH EDITION - 2007 (DOC 9432)|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 26. ^{{cite web|url=http://www.faa.gov/air_traffic/publications/atpubs/PCG/A.HTM|title=Pilot-Controller Glossary|publisher=Federal Aviation Administration}} 27. ^{{cite web|url=http://www.caa.co.uk/docs/33/CAP41320Editionto4April2013_ISBN9780117928206.pdf|title=Radiotelephony Manual|publisher=Civil Aeronautics Authority|page=5}} 28. ^{{Cite web|url=https://www.itu.int/rec/R-REC-M.1171-0-199510-I/en|title=M.1171 : Radiotelephony procedures in the maritime mobile service|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 29. ^1 {{Cite web|url=http://www.apcohistory.org/apco-collection/search/profile/article/A28955|title=APCO Standard Description Forms|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 30. ^{{Cite web|url=http://search.itu.int/history/HistoryDigitalCollectionDocLibrary/5.20.61.en.100.pdf|title=International Radiotelegraph Convention of Washington, 1927|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 31. ^{{Cite web|url=https://www.law.cornell.edu/cfr/text/47/80.97|title=47 CFR 80.97 - Radiotelegraph operating procedures.|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 32. ^{{Cite web|url=https://www.icao.int/Meetings/anconf12/Document%20Archive/AN10_V2_cons%5B1%5D.pdf|title=Annex 10 to the Convention on International Civil Aviation: Aeronautical Telecommunications, Volume II|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 33. ^{{Cite web|url=https://www.faa.gov/air_traffic/publications/media/AIM_Basic_dtd_10-12-17.pdf|title=Aeronautical Information Manual|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 34. ^{{Cite web|url=https://www.itu.int/dms_pubrec/itu-r/rec/m/R-REC-M.1171-0-199510-I!!PDF-E.pdf|title=ITU-R Recommendation M.1171-0, Radiotelephony Procedures in the Maritime Mobile Service|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 35. ^{{Cite web|url=https://www.dhs.gov/sites/default/files/publications/CGTTP_6-01_1A_Radiotelephone_Handbook-%20508%20compliant%20v2.pdf|title=Radiotelephone Handbook|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 36. ^{{cite web|url=http://www.apcohistory.org/pdf/1940-03-march_pages1-12.pdf|title=The APCO Bulletin, March 1940 (page 10)|accessdate=7 May 2015}} 37. ^1 2 3 {{Cite web|url=http://www.dem.ri.gov/topics/erp/4_3.pdf|title=Guide to Radio Communications Standards for DEM Emergency Responders|last=|first=|date=|website=|access-date=}} 38. ^1 CAP Radiotelephone Procedures Guide 39. ^1 2 {{Cite web|url=https://www.capmembers.com/media/cms/R100_003_4C83447E87350.pdf|title=CAP REGULATION 100-3 Radiotelephone Operations|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 40. ^"Roger" was the U.S. military designation for the letter R (as in received) from 1927 to 1957. 41. ^{{cite web|url=http://www.straightdope.com/mailbag/mroger.htm|title=Why do pilots say "roger" on the radio?|author=SDSTAFF Robin and Straight Dope Science Advisory Board|date=2007-02-27|publisher=The Straight Dope|archiveurl=https://web.archive.org/web/20080129171204/http://www.straightdope.com/mailbag/mroger.htm|archivedate=2008-01-29}} 42. ^{{Cite web|url=http://archives.nato.int/uploads/r/null/1/2/127448/SGM-0034-56_ENG_PDP.pdf|title=SGM 34-56: Use of ROGER as Procedural Word|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 43. ^{{Citation|title=ACP 125(F), Communication Instructions Radiotelephone Procedure|date=September 2001|url=http://jcs.dtic.mil/j6/cceb/acps/acp125/ACP125F.pdf|publication-date=5 September 2001|pages=3–14 (page 46 of the pdf)|publisher=Combined Communication Electronics Board|accessdate=2012-02-20}} 44. ^1 {{Cite book|url=http://www.k1chr.org/ACP%20125%20%28G%29%20Radio%20Telephone%20Procedures%20NOV%202016.pdf|title=ACP 125(G): Communications Instructions – Radiotelephone Procedures|last=|first=|date=|publisher=Combined Communications-Electronics Board|year=2016|isbn=|editor-last=Mills|editor-first=C.J.|edition=(G)|location=|publication-date=2016-11-28|pages=|type=Unclassified, public military procedures document.|format=PDF|access-date=2017-12-14}} 45. ^U.S. Army Field Manual FM 24-5 46. ^1 {{Cite web|url=http://www.mars.af.mil/Portals/59/documents/Regs/AFMARS%20NTM%202016%20RevA.pdf|title=Air Force MARS National Training Manual 2016|last=|first=|date=|website=|access-date=}} 47. ^1 {{Cite web|url=http://www.marines.mil/LinkClick.aspx?fileticket=iBFG-jvJwRI%3D&portalid=59|title=MCRP 3-40.3B Radio Operator's Handbook|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 48. ^1 2 3 4 {{Cite web|url=https://www.gocivilairpatrol.com/media/cms/R100_003_4C83447E87350.pdf|title=National Headquarters Civil Air Patrol, CAP Regulation 100-3|last=|first=|date=|website=|access-date=}} 49. ^1 2 3 4 {{Cite web|url=http://www.iaru.org/uploads/1/3/0/7/13073366/emcommguide_1sept2016.pdf|title=IARU Emergency Telecommunications Guide|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 50. ^{{Cite book|url=http://www.k1chr.org/ACP%20125%20%28G%29%20Radio%20Telephone%20Procedures%20NOV%202016.pdf|title=ACP 125(G): Communications Instructions – Radiotelephone Procedures|last=|first=|date=|publisher=Combined Communications-Electronics Board|year=2016|isbn=|editor-last=Mills|editor-first=C.J.|edition=(G)|location=|publication-date=2016-11-28|pages=|type=Unclassified, public military procedures document.|format=PDF|access-date=2017-12-14}} 51. ^See: "Section 2: Radio Communications Phraseology and Techniques", Aeronautical Information Manual, US Department of Transportation, Federal Aviation Administration. Any year AIM will serve as an example. Another example is "Completing the Loop: Two-Way Communication", Special Report: Improving Firefighter Communications, USFA-TR-099/January 1999, (Emmitsburg, Maryland: U.S. Fire Administration, 1999) p. 27. 52. ^See, "Problem Reporting", Special Report: Improving Firefighter Communications, USFA-TR-099/January 1999, (Emmitsburg, Maryland: U.S. Fire Administration, 1999) pp. 25-26. FDNY has implemented these ideas and they were observed on publicly released FDNY 9-11-01 logging recorder audio CDs. Portions of these CDs were broadcast on news programs. 53. ^For an example of fire procedures, look at "Communications Procedures", XII-A-4.JH.970314, (Los Gatos, California, Santa Clara County Fire Department, Training Division, 03/14/1997). 54. ^{{Cite web|title= VHF Radio Basics |url=https://www.sailonline.com/seamanship/navigation-a-weather/vhf-use-the-basics|publisher=sailonline.com|accessdate=Apr 13, 2015}} 55. ^{{cite book|last = Cannon|first = Mike|title = Eavesdropping on the British Military|year = 1994|publisher = Cara Press|location = Dublin|pages =85-85}} External links
4 : Military communications|Public safety communications|Radio communications|Oral communication |
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