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Antenna Marconi 136 khz
The qso made in cross mode at the same QRG because my set-up has not the capability to TX audio, but only CW QRSS and Opera
post 30 Jul 2024
Antenna 136KHz Links →
VLF Loop for Radio Direction Finding
With two crossed loops, one North/South, one East/West, radio-direction finding on VLF is possible
VLF nach KW-Konverter
The schematic above is a simple up converter which I used in conjunction with a short-wave receiver to quite successfully to monitor solar flare activity a few years ago
VLF/LF to 28.5 MHz Receiving Converter
It is built using ugly style in a small metallic case using BNC for in- and output connection including some internal shielding of the crystal oscillator
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With two crossed loops, one North/South, one East/West, radio-direction finding on VLF is possible
The schematic above is a simple up converter which I used in conjunction with a short-wave receiver to quite successfully to monitor solar flare activity a few years ago
It is built using ugly style in a small metallic case using BNC for in- and output connection including some internal shielding of the crystal oscillator
Antenna splitter per VHF-UHF per quattro ricevitori Chi dispone di una sola antenna e vuole collegarvi più di un ricevitore necessità di uno splitter
Amateur radio kits by Kanga US
50MHz to 28MHz RX Converter The concept of the rx converter is quite simple and nothing really new. the local oscillator is a standard colpitts crystal oscillator producing the 22mhz lo signal