SQ3SWF on Twitter: "Poor man's SAQ 17.2 kHz receiver - TL072 op-amp, rtl-sdr in direct sampling mode & 3 meters of wire as antenna. Not great, not terrible - lot of room
SAQ and How to receive on vlf
Get Set For SAQ On Alexanderson Day With These Active Antennas | Hackaday
VLF2009
Receiving SAQ and other VLF stations – Ernest Neijenhuis PA3HCM Homepage
SAQ Alexanderson Day 2021 - Receiving SAQ Grimeton with a homemade battery tube receiver - YouTube
VE301W Umbau Reflexschaltung und "SAQ-VE" | Andere Themen › Bastel- und Bauprojekte | Wumpus-Gollum-Forum
PC2C VLF Stuff
SAQ - Alexanderson Alternator
A LowFER Receiver Using a "Software" IF | Battery charger circuit, Electrical wiring diagram, Receiver
SAQ Grimeton
Receiving SAQ and other VLF stations – Ernest Neijenhuis PA3HCM Homepage
No active devices!
PC2C VLF Stuff
Wer kennt: SOUND SAQ-501 Amplifier ?, Hifi-Klassiker - HIFI-FORUM
SAQ
An up-converter for receiving long and very long waves
Teleton Solid State Stereo Amplifier SAQ-203 in Hessen - Heppenheim (Bergstraße) | Stereoanlage gebraucht kaufen | eBay Kleinanzeigen
An up-converter for receiving long and very long waves