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RobertHode

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Posts posted by RobertHode

  5. Midland MXT500

    in Equipment Reviews

    Posted

    1 hour ago, MichaelLAX said:

    I have to admit that I had no knowledge of what that was until I stumbled one day on a "net" on one of the GMRS Channels between 1-7 and asked them what was the net about!

    He did give me a link to go read more about what they offer and I find it very interesting.

    That being said, I have not chosen to join these groups in any specific way.

    I just remember the Mexico City earthquake of 1985, which killed more than 10,000 people.

    Many of us Hams here in Los Angeles, including myself, worked to receive messages from those in Mexico City to let family and friends here in Los Angeles know that they were safe (or otherwise).

    I would receive my share of these messages and phone to the local LA phone number to pass the message and usually they would ask me to forward a response back to Mexico City, which I was happy to do over this net.

    So my comment was that I have activated Channels 8-14 on my DB20-G mobile GMRS transceiver, not so that I can communicate on those channels on a day to day basis (even at Low power).

    But in the unlikely event I hear a station on one of those channels requiring assistance, I can crank up to 18 watts to hopefully have them be able to hear my response offering assistance.

    @MichaelLAX Good stuff! Thank you for doing that service. That's what it's all about. Among other things, I'm a FEMA CERT instructor, so I was just wondering.

  9. Midland MXT500

    in Equipment Reviews

    Posted

    45 minutes ago, RobertHode said:

    @MichaelLAX  "... can be easily found within the FCC rules for GMRS. Specifically, the rule in Part 95, Subpart E which limits the frequencies commonly assigned to channels 8-14 to hand-held radios only. Here is the applicable section (from § 95.1763 GMRS channels):

    (d) 467 MHz interstitial channels. Only hand-held portable units may transmit on these 7 channels. The channel center frequencies are: 467.5675, 467.5875, 467.6125, 467.6375, 467.6625, 467.6875, and 467.7125 MHz."

     

  10. Midland MXT500

    in Equipment Reviews

    Posted

    @Mikeam

    I'm a new guy to all of this GMRS stuff, but here's why the KG-1000g or any other non-handheld GMRS can't transmit on channels 8 - 14:

    "The popular answer provided in these venues commonly focuses on the wattage limitation imposed by the FCC on these channels. The typical line of reasoning is that these channels have a one half watt transmit limit, and high powered mobile radios simply can't reduce their power to such a low level, so therefore they can't transmit on those channels legally. While the wattage theory does make some sense, and the inability to go below one watt may indeed be the case with some mobile radios, this answer is not actually correct.

    The real reason can be easily found within the FCC rules for GMRS. Specifically, the rule in Part 95, Subpart E which limits the frequencies commonly assigned to channels 8-14 to hand-held radios only. Here is the applicable section (from § 95.1763 GMRS channels):

    (d) 467 MHz interstitial channels. Only hand-held portable units may transmit on these 7 channels. The channel center frequencies are: 467.5675, 467.5875, 467.6125, 467.6375, 467.6625, 467.6875, and 467.7125 MHz.

    Those channel center frequencies are the seven frequencies assigned to GMRS channels 8-14.

    In other words, only handheld GMRS radios can transmit on channels 8-14 because, well, you can only transmit on channels 8-14 with a handheld GMRS radio.

    Yep, because the FCC said so. That's all it is. And there you go."

  13. "BARN" System in CA

    in General Discussion

    Posted

    @axorlov

    @wayoverthere

    Thanks. Calling one operational repeater a "system", based on getting funds to put the other nine repeaters in service, is pretty misleading on their part. "We are currently the largest coverage system in the SF/Monterey Bay Area, the second-largest networked system in California, and the fifth-largest GMRS repeater organization in the US.

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