What's in this issue?
Keylines: Don talks about valves, reminiscences and, sadly, the passing of John Birkett.
PW at 90: A look back at PW’s seventh decade.
An HF 9-Band Portable Antenna: Charles Wilson M0CDD describes a handy portable antenna that covers nine HF bands, 80 through 10m, including 60m.
The Eden dsP Card: Ron Taylor G4GXO describes a versatile and compact 16bit DSP processor for radio projects.
The Face behind the Call: Roger Dowling G3NKH meets broadcaster Jim Lee G4AEH.
TinySA – a Spectrum Analyser for £50: Michael Jones GW7BBY gets up close and personal with a tinySA analyser.
That’s Fritzing Amazing: Billy McFarland GM6DX describes how to design and produce a PCB the easy way.
HF Highlights: Steve Telenius-Lowe PJ4DX starts with the loss of two well-known operators and then turns to news of what has been happening on the bands.
The World of VHF: Tim Kirby GW4VXE has another full column, starting with news of an interesting hub for accessing an Allstar node.
SDR, Part 7: Dr Samuel Ritchie EI9FZB finishes the circuitry of the all-band HF receiver based on the quadrature product detector (QPD), as described in the January 2022 edition.
Brickworks Relaunched for 2022: The RSGB explain the Brickworks scheme and what it might mean for you and your club.
Introduction to Microwaves, Part 4: Ian Dilworth G3WRT turns his attention to EM Modelling, simulating Antennas and Radiowave Propagation parametrically in 2022.
A Valve transmitter for 2022: John Seager G0UCP describes a QRP Van Winkle transmitter, recalling days of yore.
Data Modes: Mike Richards G4WNC goes somewhat batty this month, while exploring how to analyse data.
Build the PW Paston, Part 6: Mark Tuttle G0TMT turns this month to the transmitter side of the Paston transceiver.
A Lab Tutorial: Jeff helps Natalie get to grips with large numbers and ratios, by using exponents and decibels.
Valve & Vintage: Bernard Nock G4BXD describes a German UHF system that has recently found its way into his museum.
Readers’ Letters: What is a communications receiver? A reader responds.
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