Practical Wireless - May 2021
Construct a ‘fun’ receiver, a linked dipole or a quartz crystal oscillator. Learn the ins and outs of FT8 operating. Read about the CR150/B40D. And more.
On Sale: 08/04/2021
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What's in this Issue?
Don discusses the recent missive from Ofcom.
News PW’s monthly roundup of news from the UK and internationally, including new products, club news and recent events.
Review – QCX Mini
Daimon Tilley G4USI builds the latest incarnation of the QCX transceiver.
Steve White G3ZVW explains the working of passive radar.
An Absolute Beginner’s Guide to FT8, Part 1
Steve and Eva Telenius-Lowe, PJ4DX and PJ4EVA, describe their experiences starting on FT8.
Kits & Modules
Geoff Theasby G8BMI has two more low-price offerings for the shack, a UHF Wideband Amplifier and the Netometer.
Technical for the Terrified
Tony Jones G7ETW offers a master class in the design of Class A amplifiers.
The World of VHF
Tim Kirby GW4VXE has more on trans-equatorial propagation and the results of a mini-survey about polarisation for 2m FT8 operation.
Colin Redwood G6MXL makes a linked dipole for the higher HF bands, before offering some tips for overcoming mike shyness and finally welcoming some very relevant new videos for beginners from the RSGB.
Repairing a HP Logic Probe
Dr Samuel Ritchie EI9FZB describes how he went about repairing an old but serviceable piece of test equipment.
NanoVNA: Can You live without One?
Michael Jones GW7BBY gets to grips with the handy NanoVNA, with some practical examples.
Top 10 FT8 Operating Tips
James Stevens M0JCQ offers his top ten tips for successful FT8 operation.
Quartz Crystal Oscillator and Tester
Ian Dilworth G3WRT describes a circuit for testing crystals.
Steve Telenius-Lowe PJ4DX invites readers to join the CDXC Challenges in these challenging times.
Mike Richards G4WNC takes a look at the new Q65 mode in WSJT-X and has been trying out his RX888 MkII.
Doing it by Design
Eric Edwards GW8LJJ has a design for ‘fun’ receiver that can be built quite easily.
Notes from a Small Station
Joe Chester M1MWD continues his quest for the ultimate rig but at the right price.
Valve & Vintage
Philip Moss takes a look at the Murphy CR150/Navy B40D, a classic set that many readers will recall.
Topics this month include the Ofcom EMF missive, complex numbers, liability insurance, reforming capacitors and more about the mains.