In preparation for tonight’s talk on WSPR experiments, the club antenna has been transmitting at 200mw (20dbm) so that live data from DX explorer is available. Band conditions during the early hours were good and a signal was received by…
During Wednesday (24th January 2018) afternoon the daily 11:15am RadioSonde launch from Camburne, Cornwall decided to make its way to Wiltshire rather than France, as is the norm at the minute. I left work mid afternoon to go home and…
The kits and coursework for the Arduino beginners course are now complete and ready to run. Each kit has the following items: Item Source Qty. NodeMCU Lua V3 CH340G ESP8266 eBay h-quality_electronic 1 10pcs Micro USB cable eBay bigfashionmarket 1…
I was inspired by this recent Hackaday () post to try my hand at receiving RadioSonde messages. A RadioSonde is the box of electronics (Temperature, Pressure monitors etc , GPS receiver, Processor and UHF transmitter) that sits below a weather…
It’s beginning to look a lot like Christmas! This week I have received a number of parcels from the great electronics store in the East. The contents of which is the majority of the parts required for the Arduino beginners…
This week we have been testing Rex’s 1/2 G5RV, East / West, height less than 20ft. The wsprlite classic was set to transmit late on Saturday afternoon, a tuner and MFJ analyser were used to tune to the 40m band.…
Last week Mike G0JMD spoke about a few radio related topics that while not directly amateur related provided some good talking points. He talked about how he first came across Amatuer Radio while in the army. Other subjects included scanners,…
map of stations hearing M0hfh from our club 40m dipole for the last 24 hour period The Dx10 table note the max distance 3683 km Dx10 graph indicates changing propagation sunrise today Bristol 8.14am Pick a time for your long range…
After a small setback (a flat battery) we have resumed transmission using a mains power supply. I have included the DX10 table showing the best 10 (in terms of range) . The DX10 table gives you a snapshot of the system…
Today at around 4.pm I connected my wsprlite antenna analysis system to the club 40m Dipole after completing the 40m low pass filter. It is now transmitting at 200mw and here is the first image from the spots map. The…