ARRL The National Association for Amateur Radio®’s new book, Digital Networking for Ham Radio, a practical, hands-on guide to designing and implementing high-speed...
General
ARRL The National Association for Amateur Radio® reports that the Federal Communications Commission (FCC) adopted changes to its rules to...
Solar activity returned to low levels this past week. The strongestevent of the period was a C1.8 flare on February...
The following is a message from Honolulu Department of Emergency Management: When emergencies disrupt normal communications, RACES (Radio Amateur Civil...
AMSAT Switzerland has announced a special event and contest that encourages hams to make extreme long-distance contacts via amateur satellite....
ARRL The National Association for Amateur Radio® is inviting radio clubs to participate in the second annual Ham Radio Open House in April....
The Amateur Radio Software Award is seeking nominations for outstanding software developed for ham radio. Nominations should promote innovative, free,...
The following is a press release from SpottedHam.com: Following its successful launch earlier this month, the spotting and alert platform...
Solar activity reached moderate levels early this week. Thestrongest event was an M1.4 flare observed on February 11 in Region4366....
ARRL The National Association for Amateur Radio® is saddened to share the news that Sharon Taratula, who served the League...
Lithium batteries have taken over as the primary battery chemistry from applications ranging from consumer electronics to electric vehicles and...
ARRL The National Association for Amateur Radio® announced today that it is a Supporting Partner of America250, joining the nationwide...
After the swivel by Helium Inc. towards simply running distributed WiFi hotspots after for years pushing LoRaWAN nodes, many of...
The National Conference of Volunteer Examiner Coordinators (NCVEC) Question Pool Committee (QPC) has removed two questions from the General Class...
Solar activity was at high levels for most of the week, dominated byRegion 4366. The most notable event was an...
Everyone knows that the path of least resistance is the path that will always be taken, be it by water,...
It used to be a rite of passage to be able to do the math necessary to design various bipolar...
Drawing tablets have been a favorite computer peripheral of artists since its inception in the 1980s. If you have ever...
ARRL The National Association for Amateur Radio® will announce the winner of the ARRL Sweepstakes Icom® Dream Station at Orlando...
from Biricha Digital runs us through How to Select the Perfect Output Capacitor for Your Power Supply. Your switching-mode power...
The RSGB Board is delighted to announce that it has appointed Stephen Ramsden, M0CCA as Deputy Company Secretary. Stephen is...
Variable capacitors may be useful, but the air gap that provides their capacitance is their greatest weakness. Rather than deal...
ARRL The National Association for Amateur Radio® is asking members to help encourage licensed youth in their communities to participate...
John B. Johnston, W3BE (SK), of Derwood, Maryland, passed away on January 7, 2026. He was 98 years old. Born...
ARRL The National Association for Amateur Radio® will host the 9th annual Ham Radio Science Citizen Investigation (HamSCI) Workshop on...
