Ham Radio Archives - Page 117 of 117

Ten Uses of a Digital Multimeter in Ham Radio

1 January 20093 June 2006 by Bob K0NR

The handheld digital multimeter (DMM) is a basic tool for ham radio applications. Here is a list of 10 things you can do with a DMM. 1. Check the power supply voltage on the new power supply you just purchased. 2. See if your HT battery pack is fully charged. 3. Measure the current that … Read more

ICOM Introduces D-STAR Dualband Handheld Transceiver

26 October 200810 May 2006 by Bob K0NR

Just in time for the Dayton Hamvention, ICOM has announced the IC-91AD 2M/70cm handheld transceiver with D-STAR capability. I’ve written some about the new digital voice standard, D-STAR. Universal Radio has this new rig priced at $525, a definite premium over equivalent FM radios. This is the first dualband handheld that supports D-STAR. 73, Bob … Read more

The Wilderness Protocol

26 October 20087 May 2006 by Bob K0NR

From the emcomm.org web site: “The Wilderness Protocol” (ref. June 1996 QST, page 85), recommends that stations (both fixed, portable or mobile) monitor the primary (and secondary if possible) frequency(s) every three hours starting at 7 AM local time, for five minutes (7:00-7:05 AM, 10:00-10:05 AM, etc.) Additionally, stations that have sufficient power resources should … Read more