Roger G3XBM's (Mainly) Amateur Radio Blog

Simple QRP projects, 10m, 8m, 6m, 4m, FT8, 160m, WSPR, LF/MF, sub-9kHz, nanowaves and other random stuff, some not related to amateur radio.

Showing posts with label qrm. Show all posts

Showing posts with label qrm. Show all posts

11 Aug 2017

70cm QRM

A friend of mine in Cambridge Richard G3TFX is getting QRM on the GB3OV repeater. OFCOM cannot help. He writes: Can anyone pin down the ...

8 May 2014

Bird migration and man-made electronic noise

See http://www.nature.com/nature/journal/vaop/ncurrent/full/nature13290.html . Evidence that bird migration is affected by human EM noise...

8 Nov 2012

MF "swish, swish, swish" interference

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...

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Roger G3XBM: Burwell, Cambridge, United Kingdom

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