Charger Radiated Emissions

I usually have a respectable HF noise floor at home, for which I count myself lucky in today’s sea of cheaply made switching power supplies. However, we were expecting some severe winter weather a couple of weeks ago (it never materialized, but that’s beside the point) and I noticed that my noise floor had gone […]

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Baofeng Cemetary

As of the date of this post, you can get a Baofeng UV-5R for $28, or buy two for $50. Dirt cheap. I bought my first Baofeng UV-5R back in 2012 when they were priced around $62 on Amazon. I thought this was a cracking deal. Upon testing the thing out, I found that the […]

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Baofeng UV-5R+ Harmonics

It seems that the ARRL and a number of individuals have been taking a serious look at harmonics and other spurious emissions from various ham transceivers, including the ubiquitous Baofeng range of handheld transceivers. So, a while ago, I decided to take my Baofeng UV-5R+ to work and see what mine looked like. I don’t […]

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