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Home : Antennas : Baluns : 4 to 1 balun
- The 1: 4 Current balun
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- A 1:4 current balun made with 2 4C65 cores by PA1G in Dutch
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Home : Operating Modes : ESSB
- What is ESSB
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- Extended Single SideBand is any SSB transmission that exceeds the audio bandwidth of common 2.9kHz SSB J3E modes by essb.us
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Home : Technical Reference : Beacon keyers
- 30m WSPR Beacon
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- 10Mhz WSPR and QRSS Transmitter Project by G0FTD
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