John Rowden

John Rowden

WSRPlite antenna test resumes

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…

Arduino workshops

Last week was the second week with Paul m0zmb  showing  some of his experiments using the Arduino open source electronics platform.  We looked at a full colour LCD display from Tony G0WMB and my (John m0hfh) experiments to link the Arduino…

Railways on the Air Log GB4VBR

qrz log1 gb4vbr qrz log2 gb4vbr A  short days operating from a low G5rv and 100watts using mainly club equipment yielded 8 countries see qrz.com for full details. Thanks to all club members who turned up, and participated in a…

Field Day Antenna’s

We have erected Two antenna’s and some tuning is underway, The first is a ZL7 2-2m 7 element special Yagi on lone to us by Andy ( G7OPB) from Berkeley; on Sunday we measured the resonant frequency  144.4 to 145…

RSGB 5G Network Talk

After last nights excellent and informative talk by Gary on Network systems in which a 5G was mentioned, there is a talk at the RSGB meeting in Redland on Monday 28th November by Prof Andrew Nix (University of Bristol) on…

International Marconi Day 23rd April

The celebration of the huge part Marconi played in the invention of Radio will be marked by transmission of signals from around the world next Saturday 23rd April. Many special event stations will be in operation. Here’s a link to one…