Tag Archive: 2M


I like to take part in the 2M UKAC run by the RSGB when I can so I made a simple, lightweight 5 element yagi that I can put on my 10M mast and use portable.

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I started to work on a simple APRS transmitter today so that I could use it as a antenna test bed for Project Swift.

It was very simple to build using only an Arduino Uno, a Venus GPS receiver a Radiometrix HX1 module (on 144.800Mhz) and an SMA PCB socket.

The completed board looks like this…

After playing around all day with the APRS message format, I managed to get it working and updating to aprs.fi via my own igate.

Next up will be a test with it installed in the car.



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UKAC March 2011

So I took part in the 2M UKAC again last night. I wasn’t expecting much as I was going to use the collinear on the side of the house but at 17:30 I decided to go outside and put up the 2M beam that I had just acquired through a swap.
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Following the death of my cheap fibreglass tri-band collinear, I decided to have a go at constructing a simple dual band antenna for use at home.

I was looking for something that was vertical, omnidirectional and with good gain that I could make quickly and easily. The answer came from Sean, M3FVB in the form of his excellent article on building a 8db collinear.

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