Monthly Archives: February 2017

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

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5B4AGN bandpass filters – The measurements

I’ve been moving some boxes around recently and I unpacked the bandpass filters I built for one of the Martello Tower Group DXpeditions and successfully used again during our activation of the MV Ross Revenge in August 2016. It struck me … Continue reading

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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

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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

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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 , , , , , , | 14 Comments