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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 17 Apr 2025
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
PSION Greyline Clock PSION Greyline Clock v. 1.0 is a UTC/Local clock showing sunlight/darkness area on the world map
Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica
SunCalc SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, sun movement, map, sunlight phases, elevation, Photovoltaic