INDEX
A
Antennas/antenna radiation
anisotropic radiation, 2-4
characteristics, 2-1
counterpoise, 2-5, 2-6
directivity, 2-1
gain, 2-2
ground screen, 2-5, 2-6
Hertz antennas, 2-1
isotropic radiation, 2-4
loading, 2-4
lobe, 2-4
loop, 2-3
low probability of intercept (LPI), 2-19
lumped-impedance tuning, 2-5
major lobe, 2-4
Marconi antennas, 2-1
minor lobe, 2-4
node, 2-3, 3-9
period, 2-3
polarization, 2-2
reciprocity, 2-1
standing wave, 2-3
wavelength, 2-3
Atmosphere, 1-1
ionosphere, 1-1
stratosphere, 1-1
temperature inversion, 1-12
troposphere, 1-1
weather, 1-12
log-periodic (LPA), 2-8, 2-16
long-wire, 2-11
low frequency (lf), 2-7
NORD, 2-9
pan polar, 2-8
parasitic array, 2-7
quadrant, 2-11, 2-13
rhombic, 2-11, 2-12
rotatable LPA (RLPA), 2-10
sector log-periodic array, 2-10
Trideco, 2-7
tuning system, 2-13
ultra high frequency (uhf), 2-14
vertical monopole LPA, 2-8, 2-9
very high frequency (vhf), 2-14
very low frequency (vlf), 2-6
whip, 2-13, 2-14
wire rope fan, 2-14
Yagi, 2-7, 2-9
Coupler groups, 2-21 to 23
coupler group AN/SRA-33, 2-22
coupler group AN/SRA-39, 2-23
coupler group AN/SRA-40, 2-23
coupler group AN/SRA-49, 2-23
coupler group AN/SRA-49A, 2-23
coupler group AN/SRA-50, 2-23
coupler group AN/SRA-56, 2-21, 2-22
coupler group AN/SRA-57, 2-21, 2-22
coupler group AN/SRA-58, 2-21, 2-22
coupler group AN/URA-38, 2-21, 2-23
multicoupler (receive filter) AN/SR4-12, 2-23
multicoupler OA-9123/SRC, 2-22
C
I
Communications antennas, 2-6
biconical dipole, 2-15
boom, 2-10
center-fed dipole, 2-16
coaxial dipole, 2-16, 2-17
conical monopole, 2-11
discage, 2-14, 2-15
Goliath, 2-7
ground plane, 2-10, 2-13
high frequency (hf), 2-7
inverted cone, 2-10, 2-11
Ionosphere, 1-1
D layer, 1-3
E layer, 1-4
F/F1/F2 layer, 1-4
ionization 1-2
ionized layers, 1-2, 1-3
ionospheric storms, 1-11
ions, 1-2
regular variations, 1-1
seasonal variations, 1-10
INDEX-1