03/28/2017 ARRL is accepting applications for summer 2017 Teachers Institute on Wireless Technology sessions until May 1. This summer’s sessions will be held in Dayton, Ohio — hosted by the Dayton Amateur Radio Association (DARA) — and at ARRL Headquarters … Continue reading →
03/28/2017 International Space Station (ISS) Expedition 50 Commander Shane Kimbrough, KE5HOD, will take one more spacewalk on March 30 before he heads back to Earth in a Soyuz MS-02 vehicle on April 10, joined by crewmates Sergey Ryzhikov and Andrey … Continue reading →
03/27/2017 NOAA’s Space Weather Prediction Center (SWPC) reports a moderate (G2) level geomagnetic storm is in progress. The G2 threshold was reached on March 27 at 1948 UTC. SWPC forecasters have extended the G2 Geomagnetic Storm Warning until March 28 … Continue reading →
03/27/2017 As part of an effort to tell the story of the International Geophysical Year (IGY) 60 years ago, a Cambridge, England, museum wants to hear from anyone who remembers the Soviet Union’s launch of Sputnik 1 on October 4, … Continue reading →
03/24/2017 The Sun just finished an extended period (16 days) of zero sunspots. There were none on March 4, one visible on March 5, then none on March 6-20. Finally, one sunspot group appeared on March 21-23, with a sunspot … Continue reading →
03/24/2017 ARRL CEO Tom Gallagher, NY2RF, is now supplementing each of his QST “Second Century” editorials with a “60-Second Century” video. These videos offer a glimpse of the content in each month’s QST editorial. ARRL began producing “60-Second Century” with … Continue reading →
03/24/2017 “Remote Antenna Tuners” is the topic of the latest episode of the “ARRL The Doctor is In” podcast. Listen…and learn! Sponsored by DX Engineering, “ARRL The Doctor is In” is an informative discussion of all things technical. Listen on … Continue reading →
03/24/2017 If you’re not familiar with full-carrier amplitude modulation (AM) or have never used it on the air, you’ll have a chance during the AM Rally during the April 1-2 weekend, on the bands between 160 and 10 meters (except … Continue reading →
03/24/2017 Nevada mayors Carolyn Goodman of Las Vegas, John Lee of North Las Vegas, and Andy Hafen of Henderson have joined the Clark County Board of Commissioners in proclaiming March 26 to April 2 as “NVCON Week,” recognizing the ARRL … Continue reading →
03/23/2017 A thorough and fully annotated discussion of Near Vertical Incidence Skywave (NVIS) is available in the research paper, “Radio Communication via Near Vertical Incidence Skywave Propagation: An Overview,” by Ben A. Witvliet, PE5B/5R8DS, and Rosa Ma Alsina-Pagès. First investigated in … Continue reading →