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!

CQ Amateur Radio

announcements

ham radio news

zero bias: a cq editorial • 5-9-14 … 10!

news bytes • Ohio-Penn DX Bulletin QRT After Three Decades

Hurricane Ian Ham Stories • Hams Helping Hams

Back On the Air After Hurricane Ian Destroyed My Antennas

Ukrainian Hams Back on the Air

Do you Have Blinders On? Getting More From FT8 • Are you giving yourself the opportunity to make as many QSOs as possible when operating FT8? K4VBM points out an often-ignored setting on your radio that might help broaden your horizons.

Build Your Own Low-Voltage Transformer, Part 1 • Could your test bench use a low-voltage power source? KBØVKS shows us how you can “roll your own” using a surplus transformer that might already be in your junk box.

Sherlock Investigates: Failures of the 2N2222A Transistor • Many hams are still using old 2N2222A transistors in various shack projects. They are popular and still common but subject to cold-temperature failures. Sherlock investigates …

How Low Can You Go? K8BYP’s Test Equipment QSO • You don’t always need a transmitter to make on-air contacts. Huh? Sometimes, as K8BYP demonstrates, the minimal power output from certain test equipment is sometimes good enough to get a message through!

S Parameters Made Easy • We measure S-units on our radios’ S-meters. But “S parameters” are different, and particularly important to understand when a signal is going to more than one place. K3MT explains.

Announcing: 2023 Nominations Open for the CQ Amateur Radio, DX, and Contest Halls of Fame

A Tiny QRPp Wattmeter • Measuring QRP and QRPp power levels on traditional wattmeters can be difficult. But WA9PYH tells us about a tiny meter that measures tiny power levels at a tiny price.

Henry Radio Amplifiers to Remain on the Market Under New Ownership • A favorite made-in-America amplifier brand gets a new lease on life from a new owner.

So You Want to Go on a DXpedition? • Let’s Plan Your Adventure

CQ CLASSIC • A Visit to Christmas Island

what’s new • First Look: Yaesu FT-710 HF Transceiver

2023 CQ World Wide WPX RTTY Contest • Thrill in the chase for over 2,300 unique callsign prefixes from 200+ DX entities in the world’s largest everyone-works-everyone RTTY contest.

math’s notes • Suggestions for Future Experimentation

what’s new • WXWarn 2.0 Now Available From N3FJP Software

the listening post • South Pacific Stations Having Troubles

emergency communications • Is Technology Your Friend or Your Downfall?

PERIODIC TABLE OF SELECT AMATEUR RADIO CONTESTS 2023

analog adventures • Bridging the Gap

kit building • The T41: A New Kit Building Endeavor

behind the bylines… • … a little bit about some of the authors whose articles appear in this issue.

qrp: low-power communications • Fishing for a Portable QRP Antenna

antennas • Slot Antennas

vhf plus • A VHFer’s Holiday Gift List

Quick and Cheap Omni Antenna for 1296 MHz

learning curve • Space Weather and DX

SPURIOUS SIGNALS

ham radio explorer • Ten Meters is Open!

mf/lf operating: Life Below the AM Broadcast Band • Murphy Makes an Appearance at...