ANALOG IS BACK!

Back by popular demand the KR9RK 442.000 has been restored to analog operation. On February 25th N9OEZ, KC9HCW & KD9FGF completed the installation of the new analog repeater for 442.000. With this our DMR migration to the new 440.00625 frequency is complete. If you failed to program your radios you must do so now. Both UHF repeaters received battery backup systems allowing our local ARES more options in the event of an emergency. As always none […]

Two Amateur Radio CubeSats Carrying Transponders Set for Future NASA Launches

Two satellites with Amateur Radio transponder payloads have been selected for future NASA launches. AMSAT reports that the TJREVERB CubeSat, developed by students at Thomas Jefferson High School for Science and Technology in Alexandria, Virginia, will carry a 435/145 MHz FM transponder. The University of Washington-Seattle’s HuskySat-1 has a 145/435 MHz SSB/CW transponder and was developed by st…

The K7RA Solar Update

At 0124 UTC on February 22 Australian Space Weather Services issued a geomagnetic disturbance warning for February 22-24. “The effect of a high speed solar wind stream from a recurrent coronal hole is expected to raise geomagnetic activity to active levels from 22 to 24 February with the possibility of minor storm periods on 23 and 24 February. Increased geomagnetic activity expected due to coron…

The March/April Issue of QEX is Hot Off the Press!

The March/April 2017 issue of QEX will be arriving at mailboxes soon. In this issue . . . •    David M. Drumheller, K3WQ, explains how to model antennas made from angle stock, wires cages, tape measures and other unconventional conductors. •    Rick Peterson, WA6NUT, shows how FDMA technology can be used for new sound card modes. •    Brian Machesney, K1LI, and Tony Brock-Fisher, K1KP, use polar m…