共 13 条
[11]
SOME IONOSONDE OBSERVATIONS OF IONOSPHERE MODIFICATION BY VERY HIGH POWER, HIGH FREQUENCY GROUND-BASED TRANSMISSION
[J].
JOURNAL OF GEOPHYSICAL RESEARCH,
1970, 75 (31)
:6429-+
[13]
FURTHER IONOSONDE OBSERVATIONS OF IONOSPHERIC MODIFICATION BY A HIGH-POWERED HF TRANSMITTER
[J].
JOURNAL OF GEOPHYSICAL RESEARCH,
1972, 77 (34)
:6804-&