Practical Wireless - April 2023
Build a frequency counter & power meter, heat your shack with diesel, look back to the days of valves, catch up with amateur TV or try 8m without a licence. And much more.
On Sale: 09/03/2023
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What's in this Issue?
Don looks back at amateur radio magazines that have come and gone in the UK.
PW’s monthly roundup of news from the UK and internationally, including new products, club news and recent events.
The ASCEL AE20401
Richard White G6NFE describes building and testing the ASCEL Electronic AE20401 Frequency Counter and Power Meter.
Review: The Gypsy Antenna
Richard Constantine G3UGF reviews a handy portable antenna, suitable for holiday or similar operations.
Review: the Deepelec Deep SDR 101
Georg Wiessala has had the new Deepelec Deep SDR 101 Software Defined Radio in his shack and has put this surprising little device through its paces on a range of frequency bands and signals
Economical Alternative Heating for the Shack
Mark Tuttle G0TMT decides on a diesel heater to keep the shack warm.
The Orlando HamCation
Joe Chester M1MWD resumes his travels with a trip to Florida.
Amateur Radio on a Budget
Daimon Tilley G4USI sets about reorganising power distribution in his shack.
David Harris looks at some recent publications from Klingenfuss and a memoir from a long-time BBC broadcaster.
Steve Telenius-Lowe PJ4DX reports a new high in the sunspot count, fortuitously coinciding with plenty of DXpedition activity.
Discover the Data
Billy McFarland GM6DX describes building a soundcard interface for a transceiver that comes without one.
8m Without a Licence?
Roger Lapthorn G3XBM advocates using the ISM band for 40MHz experiments.
Colin Redwood G6MXL welcomes a new resource for Foundation Training and looks at two Castles on the Air awards programmes that complement each other.
Amateur Television – An Update
Dave Crump G8GKQ gives an update on UK amateur TV activities – why not join in the fun?
Mike Richards G4WNC starts with a look at the improved performance of WSJT-X v2.6.1. This column is also the start of a new series where he explains the principles and measurements behind today’s SDR rigs.
The World of VHF
Tim Kirby GW4VXE reports on a bumper month for VHF/UHF propagation, but starts by answering a question, “What constitutes a contact?”
Locate a rally or event near you; we have our usual comprehensive list.
Keith Rawlings G4MIU finds a multitude of uses for the VNA he reviewed recently.
The Bijou Three
Described as “A Cheap and Efficient Little Receiver with a Splendid Performance”, this design appeared in the October 29th 1932 issue of PW.
Valve & Vintage
Dr Bruce Taylor HB9ANY describes radio frequency measurement before the digital age.
Vintage Television & Radio
Keith Hamer and Garry Smith continue looking at the early days of the BBC, focusing on studio techniques to produce artificial echo effects. Also featured are more details about the history of Swiss broadcasting, a return visit to Bournemouth with Marconi, the 40th anniversary of BBC Breakfast Time, BBC2 colour films, the Blattnerphone, and television pioneer, Vladimir Zworykin. There is also a vintage equipment advertisement from 1927.
This month’s Letters cover FT8, solar flares, the J-pole and more.