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 ...

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 hundre...

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....

By Stan Horzepa, WA1LOUContributing EditorThis 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 ‘digi...

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...