TM 11-5985-379-14&P
q HF SKY-WAVE MODE
q LOCATION SOUTH VIETNAM
q MANPACK RADIO - AN/PRC-47
q JUNE 1965
q LOW SUNSPOT NUMBER 16
q TIME OF DAY 0500 HOURS, L. T.
q 28-DB SIGNAL TO NOISE (1-KHZ BANDWIDTH)
Figure 3-6.
Conditions Under Which Antenna Must Operate.
Figure 3-7.
Maximum Usable Frequencies in Vietnam.
3-7
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