Roger G3XBM's (Mainly) Amateur Radio Blog

At the moment I am fortunate in that I am not plagued by too much HF noise. It is high on 160m, 80m, 60m, 40m and 30m, but I have not had p...

Although I can't speak for you, here in rural Cambridgeshire the noise on 160m is probably at least 20dB worse than 10 years ago. To b...

If you were thinking of complaining to OFCOM about broadband noise you may want to think again. See  http://www.ispreview.co.uk/index.php/...

Following my small successes last night battling my local man-made noise sources, this evening I managed nearly a full QSO with GW0IRW on 16...

This evening I've been trying to track down various noise sources that have been making reception on MF and the lower HF bands all but i...

In recent months I've been suffering from man-made noise on MF which was not there before. I've a constant S8 noise floor now (it wa...

A PC with some simple free software makes a very useful piece of test gear. For example, today I wanted to check the noise floor of my o...

Over the next 24 hours I am doing a test to measure the change in VLF noise floor between 0-24kHz. DK7FC has let me have a suitable .usr fil...

This was posted on the LF reflector: we'll have yet another source of LF/MF and HF interference in the years ahead as more people instal...