CALCULATION OF GROUP INDICES AND GROUP HEIGHTS AT LOW FREQUENCIES

[1] DAVIDS N, 1951, J ATMOSPH TERR PHYS, V2, P355

[2] A METHOD FOR OBTAINING THE WAVE SOLUTIONS OF IONOSPHERICALLY REFLECTED LONG WAVES, INCLUDING ALL VARIABLES AND THEIR HEIGHT VARIATION [J]. JOURNAL OF GEOPHYSICAL RESEARCH, 1951, 56 (03): : 355 - 371

[3] THE DEVELOPMENT OF AN E-REGION MODEL CONSISTENT WITH LONG WAVE PHASE PATH MEASUREMENTS [J]. JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1955, 6 (01): : 1 - 17

[4] MITRA AP, 1955, J ATMOSPH TERR PHYS, V5, P28

[5] Mitra S.K., 1992, THE UPPER ATMOSPHERE

[6] THE COLLISION FREQUENCY OF ELECTRONS IN THE IONOSPHERE [J]. JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1953, 3 (04): : 200 - 211

[7] THE NIGHT-TIME LOWER IONOSPHERE AS DEDUCED FROM A THEORETICAL AND EXPERIMENTAL INVESTIGATION OF COUPLING PHENOMENA AT 150 KC/SEC [J]. JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1955, 7 (4-5): : 203 - 234

[8] ROSS C, 1953, WADC5396 TECHN REP

[1] DAVIDS N, 1951, J ATMOSPH TERR PHYS, V2, P355

[2] A METHOD FOR OBTAINING THE WAVE SOLUTIONS OF IONOSPHERICALLY REFLECTED LONG WAVES, INCLUDING ALL VARIABLES AND THEIR HEIGHT VARIATION [J]. JOURNAL OF GEOPHYSICAL RESEARCH, 1951, 56 (03): : 355 - 371

[3] THE DEVELOPMENT OF AN E-REGION MODEL CONSISTENT WITH LONG WAVE PHASE PATH MEASUREMENTS [J]. JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1955, 6 (01): : 1 - 17

[4] MITRA AP, 1955, J ATMOSPH TERR PHYS, V5, P28

[5] Mitra S.K., 1992, THE UPPER ATMOSPHERE

[6] THE COLLISION FREQUENCY OF ELECTRONS IN THE IONOSPHERE [J]. JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1953, 3 (04): : 200 - 211

[7] THE NIGHT-TIME LOWER IONOSPHERE AS DEDUCED FROM A THEORETICAL AND EXPERIMENTAL INVESTIGATION OF COUPLING PHENOMENA AT 150 KC/SEC [J]. JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1955, 7 (4-5): : 203 - 234

[8] ROSS C, 1953, WADC5396 TECHN REP