9M2PJU
band
CW
high frequency
QSO
9M2PJU CW QSO With WB6QQR, JJ5IZX And K7XB On 20 Meters
Thanks to JJ5IZX for the record.
9M2PJU
amateur radio
band
ham radio
radio amatur
28 Jan 2013 DX Report
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amateur radio
band
hamradio
high frequency
prediction
propagation
waveguide
WaveGuide App
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amateur radio
band
ducting
frequency
physic
propagation
radio amatur
refract
scatter
science
signal
tropospheric
UHF
VHF
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frequency
satellite
wavelength
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fiber
frequency
optics
wavelength
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