共 6 条
[1]
THE IONOSPHERIC PROPAGATION OF RADIO WAVES OF FREQUENCY 16 KC/S OVER DISTANCES OF ABOUT 540 KM
[J].
PROCEEDINGS OF THE INSTITUTION OF ELECTRICAL ENGINEERS-LONDON,
1952, 99 (03)
:250-259
[2]
STUDIES OF MAGNETIC FIELD MICROPULSATIONS WITH PERIODS OF 5 TO 30 SECONDS
[J].
JOURNAL OF GEOPHYSICAL RESEARCH,
1959, 64 (11)
:1819-1826
[3]
CROMBIE DD, 1956, NATURE, V177, P178
[4]
CROMBIE DD, 1958, P IEE B, P301
[5]
THE DIURNAL CARRIER-PHASE VARIATION OF A 16-KILOCYCLE TRANSATLANTIC SIGNAL
[J].
PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS,
1955, 43 (05)
:584-588
[6]
WAIT JR, 1959, P IRE, V47, P998