Ham Radio DXCC Lookup
Search amateur radio callsigns to find the DXCC, Continent, CQ & ITU Zone and a central latitude and longitude.免費玩Ham Radio DXCC Lookup APP玩免費免費玩Ham R...
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Antenna Calculator
Antenna Calculator is a useful tool when developing antennas for amateur radio purposes if you cannot remember the maths to calculate the frequency or...
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