Roger G3XBM's (Mainly) Amateur Radio Blog

Yet again, I am puzzled how they do this for the price.  Just over £193 pays for a 5W all mode SDR transceiver. You pay a little more for sh...

SDRs is one area of our hobby not really explored. A few days ago I purchased the SDRplay RSP1B.  It was connected up briefly yesterday afte...

SDRplay has just introduced a replacement for the RSP1A called the RSP1B. This is in a metal case and is supposed to have a number of improv...

For a very long time, I have owned an SDR dongle. One of the things I really must do this next few weeks is to get this set-up.  My birthday...

One of my aims today is to get my software defined radio (SDR) installed and working on my shack PC. I have to install drivers and suitable ...

Until recently CDARC (Cambridge Club) had an HF web SDR at the QTH of G4AWP who is moving to York. It has now been relocated. Web SDRs can ...

Many months ago I bought an SDR dongle that plugs in a USB socket on the PC. I have still not tried it out!  One of the things I must do in...

It is over 20 years ago that Yaesu introduced the revolutionary FT817. Since then, absolutely nobody has introduced another handheld for HF...

About a week ago I bought an Neoelec SDR (highly rated) from Amazon. For various reasons, I have not been able to set this up. It seems incr...

Most of the day, I have been busy and I have not got around to testing the SDR. Unless I get it tested tonight, it will have to wait until t...

 As I  did not get around to trying my SDR yesterday, my main aim is to get this going. If time allows, I hope to be on 10m QRP WSPR TXand 8...

It is unlikely to be tested for several days, but my SDR has arrived. It is meant to cover from 100kHz to 1.75GHz. Looking for software reco...

Later this morning I will be on 8m WSPR doing a test with G8JNJ . Brief tests last evening were unsuccessful, but I want to monitor the web...

Steve G1KQH has just sent me an eBay link to yet another multi-band HF SSB SDR transceiver from China . This retails for about £115! How do ...

A reminder that there are lots of web SDR RXs on the air, so you can see what shape the bands are in in other places. If you have a high loc...

My very first post was about the web SDR at Twente in the Netherlands. That was in 2008! It is still there. See  http://websdr.ewi.utwente.n...

Looking on eBay just now there are several clones of a UK designed SDR transceiver.  One example is the Ailunce product that retails at £389...

G1KQH , Steve, sent me some information about this rig. It looks interesting and very small. See  https://qrpver.com/transceivers/all-b...

Southgate News has a piece on using the ADALM-Pluto SDR as a beacon on 2m. This links to a Hackaday article. As it stands, it is very low p...

Southgate News has a piece about the impact of SDR on our hobby, mentioning that it will soon be possible to buy a 3.5GHz transceiver for ab...