Category Archives: Arrl News
Ohio ARES to Sponsor “NVIS Antenna Day”
Switching Power Supplies a More Common Noise Source than Power Lines, ARRL Lab Manager Says
ARRL Laboratory Manager and EMI Expert Ed Hare, W1RFI, told the HamRadioNow webcast recently that switching-mode power supplies are a more common noise source for radio amateurs than electrical power lines. HamRadioNow host Gary Pearce, KN4AQ, interviewed Hare on April … Continue reading →
“Thinking Day” Activity Gets Girl Scouts Thinking About Ham Radio
Amateur Radio Weather Spotters Help Track Severe Weather in North-Central Illinois
Amateur Radio weather spotters were on alert April 9 as severe weather and at least two tornadoes ripped through North-Central Illinois. At least one person died in DeKalb County, and at least seven others were injured. A tornado watch was … Continue reading →
New iOS App Available for The ARRL Repeater Directory®
May Edition of Digital QST Now Available
The May Edition of Digital QST is Now Available • Keep in touch on the trail by using your Android smartphone as an APRS tracker. • Learn how to integrate ham transceivers into modern vehicle electrical systems. • Build a … Continue reading →
The K7RA Solar Update
Solar activity continues to weaken. Average daily sunspot numbers dropped 27.8 points to 50.1 on April 2-8, compared to the previous seven days. Average daily solar flux declined 17.3 points to 118.4 over the same period. The latest prediction has … Continue reading →
Amateur Radio Gear, Tools, Supplies Bound for Micronesia in Wake of Tropical Cyclone
A shipment of ham radio equipment, tools, and supplies will head from Hawaii to the Federated States of Micronesia (FSM) this week with John Bush, KH6DLK/V63JB. The radio gear will support communication for relief efforts as the FSM recover from … Continue reading →
WWV’s 25 MHz Signal Still Going Strong After 1 Year Back on the Air
Time and frequency standard station WWV silenced its 25 MHz signal in 1977, but it returned to the air on an “experimental basis” a year ago, and it’s still up and running. Resurrecting the long-dormant standard time outlet operated by … Continue reading →