Why we use AM and SSB on shortwave
OfficialSWLchannel
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Why we use AM and SSB on shortwave
25 125 просмотров · 12 лет назад
OfficialSWLchannel
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25 125 просмотров · 12 лет назад
Why stations are in AM or USB and LSB..
Why we use AM and SSB on shortwave
OfficialSWLchannel
