1. A

2. B

3. C

4. D

5. E

6. F

7. G

8. H

9. I

10. K

11. L

12. M

13. N

14. O

15. P

16. R

17. S

18. T

19. U

20. V

21. W

22. X

23. Y

24. Z

25. See also

26. External links

This is an index to articles about terms used in discussion of radio propagation.

A

A-index -

active region -

Alfvén wave -

amateur radio bands -

anomalous propagation -

antenna height above average terrain -

Area to Area Lee Model -

American Radio Relay League (ARRL) -

atmospheric duct -

aurora -

B

backscatter -

bow shock -

brightness temperature -

Broadcast range-

C

Cassegrain antenna -

celestial equator -

cellular telephony -

Chapman function -

clutter (radar) -

co-channel interference -

coherence bandwidth -

coherence time -

communication with submarines -

Computation of radiowave attenuation in the atmosphere-

Conder plot-

conjugate points -

corona -

coronagraph -

coronal hole -

coronal loops -

coronal mass ejection -

cosmic noise -

cosmic ray -

COST Hata model -

COST 231 model-

Coverage map-

Cp index -

Creeping wave-

critical frequency-

Critical hours-

D

D region -

decibel -

delay spread -

Dellinger effect-

differential rotation -

dipole antenna -

directional antenna -

diurnal phase shift -

Diversity combining-

diversity scheme -

Doppler effect -

Doppler shift -

dose rate -

Dst index -

E

E region -

E-layer -

E-skip -

Early ITU Model -

Earth bulge-

Earth–ionosphere waveguide-

Earth Observing System (EOS) -

Earth-Moon-Earth -

eclipse -

ecliptic -

Effective Earth radius-

Egli Model -

electric beacon -

electrojet -

electromagnetic electron wave -

electrostatic discharge -

emission line -

ephemeris -

equatorial electrojet -

equinox -

Evershed effect -

exosphere -

expert system -

extraordinary mode -

extreme ultraviolet -

extremely high frequency -

Extremely low frequency (ELF) -

F

F region -

F-layer -

f-spot -

facula -

fade margin -

fading -

fading distribution -

filament (solar physics) -

flare (solar physics) -

flutter (electronics and communication) -

FM DX -

Forbush decrease -

forward scatter -

free space -

free-space path loss -

frequency of optimum transmission -

frequency-hopping spread spectrum -

Fresnel zone -

Friis transmission equation -

G

gamma rays -

geomagnetic field -

geomagnetic storm -

geomagnetism -

geosynchronous -

Geostationary Meteorological Satellite (GMS) -

GMT -

Geostationary Operational Environmental Satellite (GOES) -

Ghosting (television)-

GPS -

Ground conductivity-

Ground plane-

ground wave -

group velocity -

H

Hata Model for Open Areas -

Hata Model for Suburban Areas -

Hata Model for Urban Areas -

heliosphere -

helmet streamer -

high frequency -

high latitude -

HRS type antennas -

I

Interference (wave propagation)-

International Association of Geomagnetism and Aeronomy (IAG) -

International Cometary Explorer (ICE) -

International Geophysical Year (IGY) -

International Magnetospheric Study (IMS) -

intermediate-field region -

interplanetary magnetic field (IMF) -

interplanetary scintillation--

inversion (meteorology) -

ion-acoustic wave -

ionogram -

ionosphere -

ionospheric absorption -

ionospheric reflection -

ionospheric sounding -

ionospheric storm -

ITU Model for Indoor Attenuation -

ITU Terrain Model -

K

K index -

Kelvin-Helmholtz instability -

Kennelly–Heaviside layer -

knife-edge effect -

Kp index -

Kitt Peak National Observatory (KPNO) -

L

long-delayed echo (LDE) -

Line-of-sight propagation -

linear energy transfer (LET) -

Link budget-

Log-distance path loss model -

Longley–Rice model -

low frequency -

low probability of intercept -

low-gain antenna -

low-power communication device -

lowest usable frequency (LUF) -

lowest usable high frequency -

M

magnetic cloud -

magneto-ionic double refraction -

magnetogram -

magnetohydrodynamics (MHD) -

magnetopause -

magnetosheath -

magnetosphere -

magnetotail -

material scattering -

Maunder minimum -

maximum usable frequency (MUF) -

Maxwell's equations-

medium frequency -

mesosphere -

meteor burst communications -

meteor scatter -

microwaves -

middle latitude -

Mie scattering-

Mie theory -

Miniprop -

Moreton wave -

Multipath interference -

Multipath propagation -

mush zone -

MW DX -

N

National Bureau of Standards (NBS) -

National Center for Atmospheric Research (NCAR) -

Near Vertical Incidence Skywave -

National Geophysical Data Center (NGDC) -

National Institute of Standards and Technology (NIST) -

non-line-of-sight propagation -

National Solar Observatory (NSO) -

O

Okumura Model -

One Woodland Terminal Model -

ordinary mode -

P

path loss -

path profile -

path quality analysis -

penumbra -

perigee -

perihelion -

photosphere -

plasma -

plasma frequency -

plasmapause -

plasmasphere -

Point to Point Lee Model -

Polar mesospheric summer echoes-

power delay profile -

prominence -

Propagation path obstruction -

pulse (signal processing) -

R

radiation belt -

radiation scattering -

radio blackout -

Radio direction finder-

radio frequency -

radio horizon -

radio propagation-

radio propagation beacon -

radio propagation model -

Radio Society of Great Britain-

ray tracing (physics) -

Rayleigh fading -

Rayleigh–Taylor instability -

Rain fade-

relative transmission level -

RF Planning-

Rician fading -

ring current -

riometer -

Radio Solar Telescope Network (RSTN) -

S

Schumann resonance -

selective fading -

Shadow loss -

shortwave relay station -

side lobe -

Signal-to-Interference Ratio -

single event upset (SEU) -

Single Vegetative Obstruction Model -

SINPO code-

skip (radio) -

skip zone -

sky wave -

skywave -

Solar Maximum Mission (SMM) -

Synchronous Meteorological Satellite (SMS) -

Software-defined radio -

solar activity -

solar constant -

solar cycle -

solar flare -

solar flux -

solar flux unit -

solar maximum -

solar minimum -

solar radiation storm level -

solar rotation rate -

solar transition region -

solar wind -

solstice -

Solar Observing Optical Network (SOON) -

South Atlantic anomaly -

Southern Hemisphere Auroral Radar Experiment -

Space weather -

spicule (solar physics) -

SPLAT!-

Sporadic E propagation -

spray (solar physics) -

Spread spectrum -

stratosphere -

substorm -

sudden ionospheric disturbance (SID) -

sunspot -

sunspot cycle -

sunspot number -

super high frequency (SHF) -

supergranulation -

Surface wave -

Solar X-ray Imager (SXI) -

synodic -

synoptic chart -

T

thermal fade -

thermosphere -

Time signal -

total electron content -

troposphere -

Tropospheric propagation-

tropospheric scatter -

tropospheric wave -

TV and FM DX -

U

UHF -

UHF CB -

ultrahigh frequency -

ultraviolet -

umbra -

Union Radio Scientifique Internationale (URSI) -

V

Van Allen radiation belts -

very high frequency -

very low frequency -

VOACAP-

W

wave propagation -

Weibull fading -

Weissberger's model -

White Alice Communications System -

Wolf number -

X

X band -

X-band -

X-ray -

X-ray background -

Y

Young Model -

Z

Zeeman effect -

See also

• List of radiation topics

External links

• Noaa.gov

• H&K VP9
• HKVP9
• HK VP-9
• H&K VP-9
• H&KVP9
• HK VP9 pistol
• HK VTJ Trebišov
• H.K.Walter
• HKX
• HK XM25 CDTE
• H. K. Yang
• H. K. Young House
• HK Zemgale
• HK Zemgale/JLSS
• HK Zemgale/LLU
• HK ZSKA Moskau
• HK Šampion
• HK ŠKP Poprad
• H:L
• H.l.
• H.L.
• H L
• Hl.
• HL 1
• HL 20