Mark Allgar

RSGB Commercial Manager

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Mark Allgar's Latest Posts

Power Supplies Explained

| November 5, 2018
Power Supplies Explained

By Paul Lee, G3ZKO A power supply is something that is often overlooked by radio amateurs, as for many it is simply the box, that at the flick of a switch, provides stable DC voltage. A modern power supply is though much more, combining theory that dates back to the nineteenth century incorporating the latest […]

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ARRL Grounding and Bonding for the Radio Amateur

| June 9, 2017
ARRL Grounding and Bonding for the Radio Amateur

ARRL Grounding and Bonding for the Radio Amateur This book is not intended as a guide to setting up a station in the UK or Europe and some solutions are not compliant with UK/European electrical regulations and thereby may be illegal or deemed dangerous in these areas.  To help clarify the differences John Woodhouse, G6GPF […]

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