Video: Frans compares the GRAHN GS5 SE – VLF2 with a large loop antenna
by Thomas from on (#5YH3C)
Many thanks to SWLing Post contributor, Frans Goddijn, who shares the following note and video originally posted on his blog: Mr Grahn of https://www.grahn-spezialantennen.de/ had to stop working for a couple of months (medical reasons) but now he is back and I was able to get one of his highly sensitive Very Low Frequency modules to [...]