

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
70
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

PSION Greyline Clock PSION Greyline Clock v. 1.0 is a UTC/Local clock showing sunlight/darkness area on the world map