CQ Amateur Radio

CQ is the magazine for active hams, with a focus on the practical. Every article is clearly written and aimed at involving you, the reader...whether it's a story of operating from some exotic location, an article to deepen your understanding of ham radio science and technology, or a fun-to-build project that will have practical use in your ham shack. Join us on our monthly journey through the broad and varied landscape of the world's most fascinating hobby!

ANNOUNCEMENTS

CQ Amateur Radio

HAM RADIO NEWS

ZERO BIAS: A CQ Editorial • Ham Radio’s Cultural Heritage

NEWS BYTES

Who REALLY Invented Morse Code? • For many years, the author — and your editor — were firmly convinced that the “Morse code” of dots and dashes was actually invented by Morse’s assistant, Alfred Vail. But N5SK says recent research he has conducted tells a different story.

The CQWW Fills the Bands — Again! • “ My first contest from home using an L-match to a rain spout! But it was the CQWW and always great fun! –DM5US

2021 WWDX CW PLAQUE WINNERS AND DONORS

Being an Explorer — The RWØA Contest Story

A Youthful CQWW

CQD, SOS and the Sinking of the Titanic • Was the Tragedy Preventable?

Putting the 6146 on Two Meters • This transmitter is representative of a modern attempt to fire up on 144 mc. With the usual precautions in making short direct leads the Novice, or old-timer, should have no trouble airing a healthy sounding signal. One word of advice: provide plenty of ventilation for the 6146 final amplifier and do not place any pressure on the plate cap when the tube is hot.—Editor.

Looking Back: A Classic CQ Transmitter Project • Sixty-five years ago, W2HAF and his dad built a 2-meter transmitter from plans in a 1952 CQ article. He’s still got both — the radio and the magazine… and here’s his story.

Announcing: The 2022 CQ World Wide VHF Contest

MATH’S NOTES • Inexpensive Lightning Protection

THE LISTENING POST • Radio Ukraine Lives On Via WRMI

WHAT’S NEW

SPURIOUS SIGNALS

BEHIND THE BYLINES… • … a little bit about some of the authors whose articles appear in this issue

EMERGENCY COMMUNICATIONS • Radio Club Venezolano Participated in the CARIBE WAVE 2022 Emergency Exercise

KIT BUILDING • Warm Weather Brings Out the Crickets!

HOMING IN • Foxhunting Pranks and Championship Opportunities

MOBILING • Spring Into Action!

THE HAM NOTEBOOK • What’s That Noise?

LEARNING CURVE • DIY Coax Service Entrance

MICROCONTROLLERS IN AMATEUR RADIO • The C Preprocessor

WHAT’S NEW

DIGITAL CONNECTION • Computer Security

VHF PLUS • Waiting for Sporadic-E

AWARDS • Parks On The Air (POTA) Awards

DX • Under the Volcano: A DXpedition to Montserrat

CONTESTING • Field Day’s New Playing Field

PROPAGATION • Solar Cycle 25 is Very Much Alive

COMPLETE LINE SCORES OF THE 2021 CQWW DX CW CONTEST

Looking Ahead In CQ…

HAMSHOP