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(1) Last Modified: Jan 14, 2012 @ 09:40 am |
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ARRL News Feed
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FCC Sets Date for Medical Devices on 70 cm In November 2011, FCC Commissioners unanimously agreed to allocate spectrum and adopt service and technical rules for the utilization of new implanted medical devices that operate on 413-457 MHz (70 cm). These devices will be used on a secondary basis as part of the Medical Device Radiocommunication (MedRadio) Service in Part 95 of the FCC rules. In the Federal Register for Friday, January 27, ... |
Volunteer Tour Guides Make Your Visit to ARRL HQ Pleasant and Informative When you visit ARRL Headquarters in Newington, Connecticut, the first smiling face you’re likely to see is a tour guide. ARRL’s Tour Guide program now includes 19 volunteers who donate thousands of hours of their free time per year, giving tours to hundreds of visitors. ARRL’s tour guides are an integral part of the ARRL. When not giving tours, they are busy accomplishing tasks in various HQ dep... |
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This was another week where average daily sunspot numbers declined, while average daily solar flux increased. Sunspot numbers for January 19-25 were 117, 88, 102, 103, 108, 105 and 68, with a mean of 98.7. The 10.7 cm flux was 157, 141.2, 141.6, 141, 144.3, 135.7 and 126.4, with a mean of 141. The estimated planetary A indices were 3, 4, 6, 21, 9, 17 and 14, with a mean of 10.6. The estimated m... |
Surfin’: When Digital Was Mechanical By Stan Horzepa, WA1LOU This week, Surfin’ recalls those mechanical digital clocks that once proliferated ham shacks everywhere. Jim Cain, K1TN, wrote: “Every active ham I knew in the 1960s and 1970s had a 24-hour Numechron Tymeter ‘digital’ clock, the one in a brown plastic case with rotating drums. I was watching The Black Cat (1934, Bela Lugosi and Boris Karloff) and in one... |