Category Archives: FM

How to replace the noisy fan in an Icom ID-5100 with a much quieter one

I’m a happy owner of two Icom ID-5100 radios, one is mounted in the car and I use the other one in the shack on low power for working the local repeaters.  It doesn’t get much use but I’m monitoring GB3CL … Continue reading

Posted in Amateur radio, Construction, D-STAR, FM, VHF | Tagged , , , , , , , | Leave a comment

MB7UIV is back

A little history In January 2000 I started running the first licensed APRS Internet gateway in the UK originally with the callsign GB7UIV.  Within a week of experiments starting on the 26th January 2000, the gateway was on air and … Continue reading

Posted in Amateur radio, APRS, Data, FM, Raspberry Pi, VHF | Tagged , , , , , , | Leave a comment

Setting up an APRS RX only iGate using a Raspberry Pi, RTL-SDR dongle and a pre-built image

After my previous post, it was suggested that an easier way to set up a receive only APRS iGate would be to provide a pre-built image which only needs slight tweaking to go live.  That seemed like a good idea to … Continue reading

Posted in Amateur radio, APRS, Data, FM, Raspberry Pi, VHF | Tagged , , , , , , | 62 Comments

A guide to setting up an APRS receive only iGate using a Raspberry Pi and an RTL-SDR dongle

I originally bought a Raspberry Pi back in October 2012 but as I didn’t have a specific purpose in mind for it, I quickly sold it again.  A few months ago I decided to play around with a Pi again … Continue reading

Posted in Amateur radio, APRS, Data, FM, Raspberry Pi, VHF | Tagged , , , , , , | 19 Comments

Revisiting D-STAR and the GB7TE repeater

Back in March 2011 I wrote about three different modes of communications, EchoLink, D-STAR and QSONet. In that piece, I discounted all of them and although I said that D-STAR was the one which most interested me, I wasn’t planning on … Continue reading

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I’m not dead!

I know I’ve not updated this blog for some months but don’t panic, I’m not actually dead! Although I’ve not done much operating this year, I have still been playing radio.  I’ve been melting a lot of solder building WSPR … Continue reading

Posted in Amateur radio, FM, HF, QRSS, VHF, WSPR | Leave a comment

Working Amateur Radio satellites – A blast from my past

I’ve tried many facets of amateur radio including working through ‘repeaters in the sky’, or as they’re more commonly known, satellites. I recently dug out an envelope of old QSL cards and in amongst them were four cards back from … Continue reading

Posted in Amateur radio, FM | 1 Comment