Archive for the 'VHF/FM/Repeaters' Category


If a J-Pole Antenna is Good for 2m, Would it be 3X as Good for 6m?

Nick, KD8IPE, one of the guys in my latest Tech class got interested in working 6m and asked me about 6m antenna. Well, having never worked 6m, I didn’t have a very good answer for him. Then, I thought about the J-pole antenna. I have built many 2m J-poles. They’re simple to build, and [...]

Solar Flares Cause GPS Failures, Cornell Researchers Warn

From the NARTE News, Winter 2007:
Cornell researchers have discovered that strong solar flares cause Global Positioning System (GPS) receivers to fail. Because solar flares are generally unpredictable, such failures could be devastating for “safety-of-life” GPS operations such as navigating passenger jets, stabilizing floating oil rigs and locating mobile phone distress calls.
“If you’re driving to the [...]

Finding Repeaters

On the HamRadioHelpGroup mailling list, there is a thread about finding repeaters. Someone asked how to find repeaters in an area without carrying around an ARRL Repeater Guide. While I think that carrying around the ARRL Guide is probably the best solution, there were several other good ones, including:

Find the website of the repeater coordinating [...]