Reception on Alexanderson Day 2024 of an SAQ VLF morse transmission from Sweden, using transmitting equipment from 1924.

https://alexander.n.se

A movie of the transmission from the Swedish side: https://www.youtube.com/live/UBh4d7a...

Receiving system consists of a tuned ferrite rod, a MOS OpAmp buffer, a mixer for 7 MHz up conversion and a CW transceiver with a 300 Hz wide 6crystal ladder filter.