APRS, UHF, VHF ISS APRS Digipeater is Online! Posted on November 2, 2016August 28, 2017 by K7KEZ 02 Nov Nov 2, 2016: ISS packet system now operational on UHF (437.550 MHz) K7KEZ Recommended Gear For New Hams Kenwood TH-D72 Battery Level Indicator