Roger G3XBM's (Mainly) Amateur Radio Blog

This digital-only transceiver from QRP-Labs is really tiny. It can produce 5W, but I have added diodes in the power lead to ensure the RF P...

Change of plan! I think my SignaLink USB (or lead) has developed a fault after over 20 years. After a brief period on 10m WSPR with my beac...

My gear was turned on at about 0845z. At 0912z spotted by 47 stations. UPDATE 0922z: Puzzled why I was seeing no RX spots of mine on PSKrep...

Stations spotting me on 10m QRP FT8 earlier with the QDX Just now, I tried my QDX on FT8  with my "newer" Windows 10 PC.  Thankful...

 With the "other" Windows 10 PC, everything seems to work on RX, but even though the QDX goes to TX there is no RF being sent. Als...

We have to go shopping, but I also want to find out if the PC or QDX is the source of my problem with the QDX not being recognised by the PC...

 As we are out later, I think working on the QDX and PC will have to wait until Thursday now.

 Later this afternoon I hope to sort out my PC and QDX. As you know I had planned to do this earlier in the week, but events overtook this. ...

There are lots of videos on YouTube singing the praises of the tiny QDX digital transceiver from QRP Labs. This is just one as an example. ...

Yesterday I planned to sort out my PC and QDX. Instead I helped someone else with their PC and service provider. Can you imagine someone who...

Both these QRPlabs products are excellent rigs and I have them both.  QDX Most of my operating is either WSPR or FT8 on either 15m or 10m. ...

It is some months since I have given HF FT8 a try. I have a QDX which can give 5W FT8 from 20m to 10m. My end-fed Par antenna has a lowish S...

This is a tiny 5W digital transceiver from QRP Labs. It is available in 2 versions covering the HF bands. I have had the 20-10m version fo...

 This tiny 5W digital transceiver is available from QRP labs. I was amazed how small it is. It is available in 2 versions covering the lower...

The place to look for reviews of amateur gear is eham.net. I was quite surprised to see that the QRP labs QDX, which is a tiny 5W digital t...

In view of the (low) activity levels on 8m this Es season, I propose to concentrate instead on 10m QRP FT8 using my little QDX transceiver.

Following a recent email from Hans it is clear they are concentrating on the 160m version first. The 630m version could be some time, as the...

This is a tiny, digital only, HF transceiver that may be used with free software like WSJT-X or JTDX.  It is available in a version for the ...

For the last month or so, I have been having great fun using my tiny QDX digital transceiver from QRP Labs.  I am amazed that something this...

Since breakfast, I have been on 10m FT8 with the QDX QRP rig. 16 spots of me so far with the furthermost H44MS (14814km) in the Soloman Is...