What's in this issue?
PW at 90: PW begins its celebrations of 90 years of publication.
SDR, Part 1: Dr Samuel Ritchie EI9FZB describes the design and building of an SDR receiver, starting with the quadrature product detector.
Review: FT5DE vs FT3DE: Richard Constantine G3UGF asks, “Yaesu’s FT5D or FT3D…stick or twist, which one offers better value?”
The Face behind the Call: With this new series, Roger Dowling G3NKH aims to put a face to the call, starting with Alan Balmforth G3RKQ.
Kits & Modules: Geoff Theasby G8BMI offers a Panadapter for your Rig, an idea for Meter Illumination and a Graphic Audio Display.
Orbital Dynamics: Godfrey Manning G4GLM explains that Apollo 11 never left Earth’s gravity.
Doing it by Design: John Dunton G1RXC offers a handy piece of test equipment for the shack, a Pico Farad Resolution Capacitance Meter Adapter.
The Morse Mode: Roger Cooke G3LDI has a cornucopia of Morse-related topics, starting with a report on the recent CWops Open event.
Christmas Quiz: A nice easy quiz to work on over the festive season.
HF Highlights: Steve Telenius-Lowe PJ4DX has a packed postbag as a result of good conditions, a major contest and plenty of DXpedition activity.
The World of VHF: Tim Kirby GW4VXE starts this month’s column with a look at two interesting antennas for portable VHF operation.
Book Review – All Ships, All Ships: Don G3XTT reviews the most recent book by Larry Bennett G4HLN.
The GB3KBQ 10GHz Beacon: Adrian Whatmore G4UVZ describes the GB3KBQ beacon and how amateurs can benefit from it.
Valve & Vintage: Tony Smith G4FAI has the story of an early superhet.
Data Modes: Mike Richards G4WNC has more on setting up VACs and has news of yet another Raspberry Pi incarnation.
Amateur Radio on a Budget: Daimon Tilley G4USI turns his attention this month to antenna tuning units.
Notes from a Small Station: Joe Chester M1MWD ponders Magic, using a DMR handheld on 80m!
A Lab Tutorial: This month’s tutorial turns to Kirchoff’s Law, Thévenin’s Theorem and Norton’s Theorem.
Readers’ Letters: Topics include Heathkit, our hobby, voice over IP and more.
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