When you hear about a switching power supply, you think of a system that uses an inductor and a switch...
News
Many interesting phenomena can be observed in the high frequency radio band including aurora reflections, meteor trail reflections, radio blackouts,...
The modern cellular network is a marvel of technological advancement that we often take for granted now. With 5G service...
As part of the fun at Dayton Hamvention®, youth attendees are invited to participate in the 2024 ARRL Youth Rally...
When we think of a spark gap radio transmitter, most of us immediately imagine an early twentieth century ship’s radio...
A poster promoting 2024 ARRL Field Day has been released on the Field Day web page, www.arrl.org/field-day. The two-sided informational poster...
In this edition: * AMSAT Seeks Volunteers to Assist with 2024 Hamvention AMSAT Booth * AMSAT AO-109 (Fox-1E) Satellite Sets...
On Sunday April 21, Amateur Radio operators from the province of Québec will be in the spotlight. Join us for...
Are you making the most of the new amateur radio licence conditions already? Or are you still discovering what has...
In the past few years we’ve seen the rise of low-power mesh networking devices for everything from IoT devices, weather...
Release Date: April 6, 2024 Here is a summary of the news trending This Week in Amateur Radio. This week's...
This is a 1-hour version of the weekly podcast for This Week in Amateur Radio. For the full version please...
ARRL is working to engage the next generation of radio amateurs right in the classroom. Many young people have become...
With the big increase in sunspot numbers and solar flux reported inlast week's Propagation Forecast Bulletin ARLP013, I hoped the...
In one of nature's most spectacular visual displays, on April 8, 2024, the sun will align with the moon and...
Amateur radio license exams typically have a question about the bandwidths taken up by various modulation types. The concept behind...
How may radios do you own? Forget the AM/FM, GMRS/FRS radios you listen to or communicate with. We’re talking about...
A staple of the radio amateur’s arsenal of test equipment in previous decades was the dip meter. This was a...
World Amateur Radio Day (WARD) is celebrated each year on April 18.The theme for 2024 is, "A Century of Connections:...
A LoRa project has traditionally required a dedicated radio module, because it’s a commercially licenced protocol. But as the way...
Only One Week To Go: HamSCI Presents the Solar Eclipse QSO Party! Join with thousands of your fellow Amateurs as...
AMSAT News Service ANS-091 March 31, 2024 In this edition: AMSAT-DL Proposes Next Generation GEO/MEO Amateur Radio Payload AMSAT-DL’s ERMINAZ...
While most of us carry cell phones that have GPS and other location services, they require a significant amount of...
The ARRL Puerto Rico Section has a new online training course for prospective amateur radio operators. Fifty-three students have enrolled...
Release Date: March 30, 2024 Here is a summary of the news trending This Week in Amateur Radio. This week's...
