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144/28 MHz Transverter
Sono stati sviluppati i relativi circuiti stampati utilizzando dove e' possibile utilizzare componentistica di tipo SMD
post 30 Aug 2024
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Visual CW Tuning Indicator
Many transceivers set the CW transmit off-set equal to the set's sidetone frequency. But it was left to the operator how to match incoming signals to the sidetone for one-frequency QSOs -- an awkward and time-consuming procedure
Wide-Range Antenna Arrays For the Roanoke Doppler
Doppler units are the "weapon of choice" among mobile T-hunters in many parts of the country. They indicate the direction of incoming VHF signals on a circular ring of light-emitting diodes or a digital display
A Complete 13.8 Volt, 20 Amp PSU
Power supply interested in a 13.8 volt, 20 amp P.S.U. which is suitable for powering the average solid state HF rig or 100 watt VHF/UHF
Build a Saltwater Dummy Load
Certainly any reasonably sized load will work up to 30 MHz, up to 50MHz is possible if care is taken in it's construction
170
Many transceivers set the CW transmit off-set equal to the set's sidetone frequency. But it was left to the operator how to match incoming signals to the sidetone for one-frequency QSOs -- an awkward and time-consuming procedure
Doppler units are the "weapon of choice" among mobile T-hunters in many parts of the country. They indicate the direction of incoming VHF signals on a circular ring of light-emitting diodes or a digital display
Power supply interested in a 13.8 volt, 20 amp P.S.U. which is suitable for powering the average solid state HF rig or 100 watt VHF/UHF
Certainly any reasonably sized load will work up to 30 MHz, up to 50MHz is possible if care is taken in it's construction
Ferrite Shop Ferrite-shop on-line shop, cable clamps,toroids, cable cores, technic,ferrite material choice
Amateur radio kits by Kanga US
Pcs Electronics RF power amplifiers-pallets archives-ABC of FM AM DAB+ DRM radio transmitters