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GM4SLV Scotland flag Scotland

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Located in the Shetland Islands (IOTA Reference EU-012).

WAB Square : HU35, Shetland Islands

From 2007 I was active for a few years on 500kHz under the UK Special Research Permit.

Update : July 2014

I've started using MF again, now on 472-479kHz, using the same Class-E 100W PA from the time on 501, and the same MF ATU....


Mr F.T Ping assists in tuning...

Mr F.T. Ping is, of course a fully trained BBC Transmitter engineer....

I also operate HF mobile from my Landrover, using a TS480SAT and a High Sierra Sidekick antenna..


In August 2013 I was granted the licence for an unattended simplex internet gateway on 144.9625MHz. The callsign is MB7IZE and connects to Echolink (node number 887159), although I'm planning on experimenting with other Internet linking protocols. In spring 2014 Tony GM7AFE and I set up a pair of APRS I-Gates in Shetland. Tony has MB7UZL and I have MB7UZE. We still don't see a great deal of traffic from other mobile APRS users - but it's early days. My APRS I-Gate is running on a Raspberry Pi and a TNC-Pi, and runs "DIXPRS" I-Gate server. Since the new APRS I-Gate is on 144.8MHz I can't use my 2m "unattended" Simplex Voice Gateway MB7IZE at the same time, so I've also taken an NoV for a 70cm "attended" Voice Gateway, under my own callsign - on Echolink as GM4SLV-L (node number 886089). The frequency is 430.050MHz, with 77.0Hz CTCSS. The gateway runs "SVXLINK" under Linux. It won't be connected to Echolink 24/7, but when it is connected it means I'm monitoring. I would be very surprised if any other stations ever appear via the RF port of the gateway! See my blog for more details... http://gm4slv-geek.blogspot.co.uk/

1138848 Last modified: 2014-07-29 21:33:56, 2591 bytes

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