There seems to have been an upsurge in people operating WSPR recently. Barely a day goes by (sometimes barely an hour) without someone posting a map of where their signals have been received on Twitter. When I first started experimenting with WSPR and QRSS some years ago, I did exactly the same. I’m quite sure […]
Category: HF
A new challenge – DXCC on 17m using FT8
It’s been a while since I set myself a challenge and so it’s time for a new one. Despite my initial misgivings, I’ve decided that I do actually quite enjoy operating FT8. I’m attempting to work DXCC on 17m using the new FT8 data mode. Considering that in nearly 1,000 QSOs using JT65, I’ve only […]
FT8 – The latest data mode
I’ve posted a lot about the low power, low signal modes, JT65 and JT9 in the past and now there’s a new kid on the block. This one is called FT8 which stands for ‘Franke and Taylor, 8-FSK modulation’, developed by Steven Franke (K9AN) and Joe Taylor (K1JT). The biggest change from the slow, plodding […]
I’ve broken my Hexbeam – Again!
Listening to the Camb-Hams from the Isle of Islay
The Camb-Hams are on their usual annual pilgrimage to Scotland and I’ve worked them on a few bands and modes. I’ve also made a couple of recordings of them on 40m CW, showing how well the Kenwood TS-590SG can read Morse Code and on 40m and 80m SSB.
What can be achieved in twelve hours of 20m JT65/JT9?
WSPR is great, I enjoy running WSPR and seeing how far I can transmit using very low power but there are a couple of drawbacks. I appreciate this will sound as though I’m knocking WSPR but trust me, I’m really not. Firstly, it’s not a QSO mode. I accept that many years ago, some QSOs were […]
A new record – G to ZL on 60m QRSS
New aerials for VHF/UHF (2m/70cms) and 28MHz (10m)
5B4AGN bandpass filters – The measurements
I’ve been moving some boxes around recently and I unpacked the bandpass filters I built for one of the Martello Tower Group DXpeditions and successfully used again during our activation of the MV Ross Revenge in August 2016. It struck me that I’d never produced a full set of figures showing rejection on each band, insertion […]
Video of the ten minute multi QRPp mode transmission
After my entry a few days ago, I’ve made a video of my Hans Summers Ultimate 3S transmitter going through all four modes in a single ten minute frame. It’s annotated with comments along the way describing what’s happening at every stage.