VHF/UHF

This Just In: 70 cm Band is Safe

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This just in: According to the New York Long Island ARRL Section, the threat to the 70 cm band has been resolved. That is to say (these are my words), rational thought has prevailed. The NLI web site says: May 19, 2011, Massapequa Park, NY – A delegation of Amateur Radio operators from the Long … Read more

Yes, Band Plans Do Matter

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There was an interesting exchange on the AMSAT-BB email list last week. Dave KB5WIA noted a strange signal on the AO-51 satellite: I just thought I’d relay a bit of QRM I observed on AO-51 on this morning’s 3/16/2011 1322z pass. The bird was totally quiet (just a nice carrier) for the first 5 minutes … Read more

Reading the Fine Print in Part 97

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The ARRL just filed a Petition for Rule Making with the FCC concerning a specific modulation format called TDMA (Time Division Multiple Access). This issue has been simmering in the community of repeater operators but I suspect that most hams have no idea what this is about. It so happens that the land mobile industry … Read more

IWCE 2011

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This week I attended the International Wireless Communications Expo, a wireless radio conference centered on land mobile radio (LMR). While not an amateur radio event, it was three fun days totally immersed in radio technology. Being a professional show, not a hobby event, the emphasis was on modern and emerging technology in the industry. No … Read more

VHF Distance From Pikes Peak?

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I recently received this question via email from Dave N0MUA: Bob, I ran across your pictures mountain topping on Colorado peaks, thought if anyone could answer this it would be you and your group.  We run on 146.52 here in Coffeyville KS.  and a group of us have brought up the question how far east can … Read more