VERY LONG DISTANCE IONOSPHERIC PROPAGATION

[1] Berkner LV, 1932, BUR STAND J RES, V8, P265

[2] ROUND-THE-WORLD SIGNALS AT VERY LOW FREQUENCY [J]. JOURNAL OF GEOPHYSICAL RESEARCH, 1949, 54 (04): : 367 - 372

[3] ECKERSLEY TL, 1927, J I ELECT ENG LOND, V65, P600

[4] GRIFFITHS HV, 1947, WIRELESS ENG, V24, P162

[5] GUIERRE M, 1920, CR SOC FR ELECT 3, V10, P247

[6] HAMBERGER L, 1947, Z NATURFORSCH A, V2, P521

[7] HELLIWELL RE, 1956, TR56189 STANF U REPT

[8] INVESTIGATIONS OF HIGH-FREQUENCY ECHOES .2. [J]. PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1949, 37 (09): : 986 - 989

[9] HESS HA, 1946, Z NATURFORSCH, V1, P499

[10] INVESTIGATIONS OF HIGH-FREQUENCY ECHOES [J]. PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1948, 36 (08): : 981 - 992

[1] Berkner LV, 1932, BUR STAND J RES, V8, P265

[2] ROUND-THE-WORLD SIGNALS AT VERY LOW FREQUENCY [J]. JOURNAL OF GEOPHYSICAL RESEARCH, 1949, 54 (04): : 367 - 372

[3] ECKERSLEY TL, 1927, J I ELECT ENG LOND, V65, P600

[4] GRIFFITHS HV, 1947, WIRELESS ENG, V24, P162

[5] GUIERRE M, 1920, CR SOC FR ELECT 3, V10, P247

[6] HAMBERGER L, 1947, Z NATURFORSCH A, V2, P521

[7] HELLIWELL RE, 1956, TR56189 STANF U REPT

[8] INVESTIGATIONS OF HIGH-FREQUENCY ECHOES .2. [J]. PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1949, 37 (09): : 986 - 989

[9] HESS HA, 1946, Z NATURFORSCH, V1, P499

[10] INVESTIGATIONS OF HIGH-FREQUENCY ECHOES [J]. PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1948, 36 (08): : 981 - 992