Showing posts with label ulf. Show all posts
Showing posts with label ulf. Show all posts
13 Apr 2019

New amateur ULF distance record

›
Paul Nicholson posted this on a Facebook group earlier: "After much computing effort by Jacek Lipkowski SQ5BPF , Stefan's 2970.1...
12 Mar 2017

Amateur VLF

›
VLF seems to have been busy in the amateur fraternity of late. There have been tests around 8.27, 5.17 and even 2.97kHz. Casual listenin...
27 Feb 2017

Amateur radio below 9kHz

›
Until a few years ago, the conventional wisdom was that you needed huge power and huge antennas to be copied "beyond the garden fenc...
11 Feb 2017

Amateur ULF: 5 wavelengths on the 101km band?

›
From Stefan DK7FC : Hi all, Meanwhile my 1 week taking transmission, starting  01.FEB.2017 23:30 UTC on 2970.000000 ...
5 Feb 2017

Successful message decode of an amateur signal at over 3 wavelengths at ULF

›
Paul Nicholson has successfully decoded a message on 2.97kHz from DK7FC using clever analysis. Hi Paul, Am 25.01.2017 19:30, schrieb Pau...
11 Jan 2017

Tests at even lower frequencies

›
DK7FC has been testing at even lower frequencies: Hi ULF, Since a few hours i'm running 15 mA antenna current on 970 Hz, the 309 km b...
20 Dec 2016

More ULF amateur DX

›
The latest ULF DX news from Stefan DK7FC : Hi ULF, In addition to the informations from older mails about this experiment, here are the r...
14 Dec 2016

ULF amateur success

›
Stefan DK7FC has successfully decoded his radiated signal at 65km on 2.97kHz. He refers to an attachment that is not included here. &qu...
6 Dec 2016

More ULF tests in Germany

›
Stefan DK7FC has been busy winding a loading coil so he can carry out radiated tests at 2.97kHz at a distance of 65km. He has already tes...
10 Aug 2016

More success on the ULF 101km (2.97kHz) band

›
Today I heard that Stefan DK7FC 's 100nW ERP signal on 2.97kHz VLF was received in a 212uHz bandwidth at 16.8km. He will soon be trying ...
22 Jul 2016

ULF Amateur Experiments

›
Stefan DK7FC is always experimenting at VLF and ULF. Recently he has been radiating a signal at 2.97kHz and he has detected his own signal...
2 comments: