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, ...

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...

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...

By Stan Horzepa, WA1LOU
Contributing Editor

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...

The Federación Mexicana de Radio Experimentadores (FMRE) -- Mexico’s IARU Member-Society -- celebrated its 80th anniversary on January 14. FMRE board members, director and hams from throughout Mexico attended the celebration at FMRE Headquarters in Mexico City.

The FMRE records show that the first time that Amateur Radio activities happened in Mexico occurred in 1918, when students at the Nation...

Strong winds and tornadoes moved through Arkansas and Alabama on Sunday, January 22. In response to the storms, the National Weather Service office in Little Rock activated Arkansas SYWARN the same afternoon, while ARES® members were activated in parts of Alabama.

Arkansas SKYWARN Program Coordinator Danny Straessle, KE5WLR, summoned a team of radio amateurs and headed to the NWS office to provi...