Recent News
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06/11/2010 | The K7RA Solar Update
With calmer solar activity, geomagnetic conditions were stable this week. The average daily sunspot numbers were down 7.6 points to 17.7, and the average daily solar flux dropped two points to 71. The average planetary A index declined 6.4 points to 7.9,
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06/11/2010 | Surfin’: iPhone Gets Software Defined RadioThis week, Surfin’ discovers a software defined radio (SDR) in an iPhone.
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06/10/2010 | In FCC Rule Making Proceeding, ARRL Supports Employee Participation in Drills
In March 2010, the FCC released a Notice of Proposed Rule Making (NPRM) (WT Docket No 10-72) that proposed to amend the Part 97 rules -- specifically 97.113(a)(3) -- governing the Amateur Radio Service. The new rules would provide that, under certain limi
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06/10/2010 | The Amateur Amateur: APRS, the BeginningI became interested in APRS (Automatic Packet Reporting System) after watching a presentation on it a few years ago. The presenter described some of the interesting things that could be done with APRS, which, I think, sold many of us right then and there.
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06/09/2010 | Field Day Station Locator Service Returns for 2010
First introduced in 2008, the ARRL’s Field Day Station Locator Service has proved a popular addition to the Field Day toolbox. This service -- an interactive map that helps amateurs or those interested in Amateur Radio find a Field Day site near them -- i
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06/09/2010 | Amateur Radio Operators Active during Severe Tornado Breakout in Northwestern Ohio
During the early overnight hours of Saturday, June 5 through Sunday, June 6, severe weather and tornadoes ripped across an area of Northwestern Ohio, laying a large path of destruction. ARES® and SKYWARN groups in Erie, Huron, Sandusky and Wood Counties a
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06/09/2010 | Amateur Radio Quiz: Game, Set, Match!Impedance matching is a function performed many times in every radio and every radio shack. Sometimes it’s done inside a circuit and out of sight. Sometimes an automatic tuning unit clicks its way to unity SWR. And sometimes we just twiddle knobs or futz
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06/09/2010 | ARRL Continuing Education Online Course Registration
Registration remains open through Sunday, June 20, 2010, for these online course sessions beginning on Friday, July 2, 2010: Amateur Radio Emergency Communications Level 1; Antenna Design and Construction; Propagation; Analog Electronics, and Digital Elec
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