Practical Wireless Magazine September 2020 Vorige editie

IN THIS MONTH'S PRACTICAL WIRELESS

• THE ‘MCR COMMUNICATIONS’ G5RV ANTENNA - A look at a commercially made G5RV antenna.
• HOW THE RSGB IS HELPING RADIO AMATEURS TO BUILD THEIR EXPERIENCE - Recent developments to support new and existing amateurs.
• ICOM AUTOMATIC ANTENNA SWITCH - An automatic antenna switch for an IC-7300 which can be modified to work with other transceivers too.
• DATA MODES - A ‘from the ground-up’ explanation of data modes.
• WORLD OF VHF - Making duplicate QSOs and exciting news about D4VHF.
• WHAT NEXT - Advice on the best way to start out in the hobby.
• CARRYING ON THE G3RJV WAY - An MK484 TRF receiver from George’s archives.
• VALVE & VINTAGE - A little-known period of domestic receiver design and manufacture.
• HF HIGHLIGHTS - A recent publication that foretells a great sunspot cycle to come!
• PORTISHEAD RADIO - A look at a recently-published book about the maritime radio service and, in particular, Portishead Radio.
• MAKING WAVES - A form of radio communication that’s going on around us all the time but which very few people think about, even though it is very important – RADAR.
• DOING IT BY DESIGN - A portable receiver for AM reception on 80 through 60m.
• THE TWELFTH PRACTICAL WIRELESS 70MHZ CONTEST - The Practical Wireless 70MHz Contest.
• NOTES FROM A SMALL STATION - The vagaries of propagation and the effects of rain.
• S-METER VERSUS TIME DISPLAY FOR THE 21ST CENTURY - The case for an alternative approach to an S-meter, one for the 21st century?
• RADIO AT DEPTH (PART I) - How low frequencies can be used to communicate with cavers underground
• READERS’ LETTERS - Topics this month include Tiger Radio, returning to the hobby and more on whether transistors wear out