Andrew G0RVM

Andrew G0RVM

What are IQ signals?

The terms IQ are increasingly commonplace in amateur radio literature.  Open any copy of Radcom or read anything about Software Defined Radio (SDR) and you will see the terms IQ.  But what are they? Since transitioning from a cherished black-box…

The new FT-891

A little news hot off the Dayton press…  Yaesu have a new mobile HF & 6m, 100w transceiver. Looks a little like the latest series of Icom radio’s with its black on white display.  Its also similar to the FT-857…

Field weekend

Friday 29th April saw the start of the TSGARC big Field Weekend. OK, not quite the same as its BBC Radio 1 namesake but just as much fun 🙂  Setup took place on the Friday and was finished by late afternoon –…

Field Weekend Starts

So, the TSGARC 2016 field weekend starts in glorious sunshine.  John, Derek and Mark with a trailer full of tents, tables etc. Andrew G0RVM

Programme update

Until recently our Programme has contained On-air nights. Before our radio room came into operation last year these where necessary as all activities shared the same room. However, now that we have a separate radio room we no longer need…

Strange problems….

So, for a couple of months I’ve had a growing suspicion that I’m not receiving as well as I am transmitting.  I first noticed the problem when observing the strength of signals from GB3VHF which after one winter storm seemed…

Rotor interface

Last year I purchased a pneumatic 11m mast that can support a head load of 35kg.  Currently I use an SPID RAU rotator from AlfaRadio mounted at the top of the mast to rotate antenna’s.  At 6kg the rotor is reasonably…

HF Propagation talk

Just a quickie to say that the slideware from the HF propagation talk in January this year by Peter, G4OST is now in the Lecture notes section of this website. Andrew G0RVM

Radio restoration

A big thank you to Mike M1DPB for a fascinating talk about restoring vintage radio’s last night. For those that could not attend, Mike brought along a couple of radio’s, pictured below, and presented the restoration steps he had taken plus…

Vintage radio’s

A few weeks ago I was handed two images by Stan (G3RYM).  They show some vintage radios being displayed at a TSGARC meeting.  The gentleman in the purple top is Mike M1DPB. If you can provide any further information such…