RFzero™ board

The RFzero™ board is an Arduino compatible GPS based Si5351A RF signal source. The typical use of the RFzero™ is as a beacon (IBP, SPB, CW, FT8, JT9, PI4 and WSPR), signal generator, VFO, Qatari Oscar 100 dual LO or a low cost 10 MHz GPSDO. A dozen of programs (sketches) are integrated into the…

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Antennas Remote Lightning Protection

Amateur Radio Antenna Remote Disconnect for Lightning Protection from alk on Vimeo. Video by Art K4FWJ A single lightning strike can destroy thousands of dollars worth of radio equipment. Experienced amateur radio operators know the only sure protection is complete disconnection. This can be a chore, especially when multiple antennas are involved. As well, it…

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DYI – 4 Bands HBR4HF 4 Band HF Transceiver

Hambuilder HBR4HF (4 Band HF Transceiver) by E-bay: The packet consist of: HBR4HF board exciter + LPF + BPF + PA (assembled and tested) RTC01C (16×2 LCD display) Controller with si5351 synthesizer VFO/BFO (assembled and tested) Aluminum enclosure with heatsink and related connector (need to assembly by your self) Condenser mic with loudspeaker (need to…

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RTC03 HF Transceiver Controller (DYI)

RTC03 HF Transceiver Controller with Si5351 Freq Synthesizer VFO/BFO + Enclosure This listing is only the Controller and Enclosure, you still need to add Exciter, Power Amplifier, LPF/BPF to do communication, RTC03 is the newest version of radio transceiver controller (RTC) Jalapindai/Homebrewpartner. This RTC version used Si5351 as frequency synthesizer and used 2 of 3…

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Arduino Ham Radio Starter Kit

Jerry VE6TL at the University of Calgary Amateur Radio Club Welcome to my Arduino Ham Radio Starter Kit, a “virtual box” of ideas and motivations with one objective: More hams and their clubs engaging the local maker community as a gateway to amateur radio.  First of all, let’s think about the three waves of technical hobbies over…

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