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Category Archives: Opinion

Sep 19

Predicting QSOs to 2025 using AI

Posted on September 19, 2023 by G7VJR

It’s been a while since I conducted an analysis of the modes on the air (such as in 2021). One of the reasons is that it’s quite laborious to do the analysis, and I haven’t really expected to be able … Continue reading →

Posted in Info, News, Opinion
May 23

Raw data for analysing the modes of QSOs uploaded to Club Log

Posted on May 23, 2018 by G7VJR
Club Log graph showing modes used by radio amateurs between 1997 and 2017

There is a great deal of interest in the growth of FT8 (and in particular, whether other modes are losing out to it), but the analysis of the raw data up to now has been dependent on whether I have … Continue reading →

Posted in Club Log, Ham Radio Software, Opinion | Tagged FT8
Jan 18

Proportion of modes used on the air – 2017 update

Posted on January 18, 2018 by G7VJR

Every few years, I’ve posted a chart of which modes are being used on the air (based on what is uploaded to Club Log). This report isn’t lightweight to calculate, so I don’t have it as a standard feature in … Continue reading →

Posted in Club Log, News, Opinion | Tagged FT8
Jun 04

Juma PA1000 harmonic measurements

Posted on June 4, 2016 by G7VJR
Juma PA1000 with KX3

Update (15 June 2016): the team at Juma have posted their professional measurements here: http://www.jumaradio.com/juma-pa1000/JUMA-PA1000-performance.html Travelling light with a 500W+ station The Juma PA1000 is a remarkably light 1000W solid state amplifier, and offers high levels of gain so that … Continue reading →

Posted in Equipment, Expeditions, Opinion | Tagged Juma PA1000
May 26

An Innovation To Innovate (originally published in ARRL QST)

Posted on May 26, 2014 by G7VJR

Change, for the amateur radio community, is constant. In the past century we have seen technologies invented, matured and superseded – not just once or twice, but continuously. Now, as always, amateur radio is innovating and evolving, so what should … Continue reading →

Posted in Opinion
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