Svar till: Wiring diagram of the “synchronous detector” at the receiving station for SAQ?

[Karl-Arne Markström]

The schematic diagram of the whole VLF receiver was published in “Tekniska Meddelanden från Kungl.Telegrafstyrelsen” (“Engineering Bulletin of the Royal Board of Telecommunications”) in 1924, and is reproduced here:

https://ham.se/threads/dags-att-koppla-upp-laaangvagsgrejerna.28342/page-2#post-133651