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Experimental Longwave Transmissions 137.7796 KHz
- Hiperfet power mosfet ixfn55n50 500 volts at 55 amps, currently running 28volts at 14 amps input, output 265 watts
post 14 Apr 2026
Antenna 136KHz Links →
Variometer Design
A variometer consists usually of two coaxial coils, connected in series, where the coils relative position can be varied in some way
VLF The stealth antenna
the passion for radio listening on HF and lower band, down to VLF
Vertical antenna with inductive toploading
136kHz antenna by placing a part of the loading coil at the top of the vertical part
Very Low Frequency Receiver
Very low frequency or VLF is the ITU for radio frequencies RF in the range of 3–30 kHz, corresponding to wavelengths from 100 to 10 km, respectively
VLF converter
un mio circuitino che ho a lungo utilizzato per l'ascolto delle onde lunghe
70
A variometer consists usually of two coaxial coils, connected in series, where the coils relative position can be varied in some way
the passion for radio listening on HF and lower band, down to VLF
136kHz antenna by placing a part of the loading coil at the top of the vertical part
Very low frequency or VLF is the ITU for radio frequencies RF in the range of 3–30 kHz, corresponding to wavelengths from 100 to 10 km, respectively
un mio circuitino che ho a lungo utilizzato per l'ascolto delle onde lunghe
Microsat Ham radio shop for ulari project, aprs, aprs with radio, bluetooth, gps, gsm, ham radio interfaces, weather,accessories, cables to radio
Amateur radio kits by Kanga US
Enigma Component Shop Cable & wire,capacitors, connectors, crystals/oscillators, filters, hardware,kits/modules,test & measurement