You know guys, it just could be that some brain decided to start at the lowest frequency and worked their way to the highest.
KD2YEM Frank *Be sure to strip out all email addresses before forwarding and help prevent Identity Theft.* *To Team 6: ".... people sleep **peaceably** in their beds at night only because tough men stand ready to do violence on their behalf."; George Orwell* Per tutta la Mia famiglia e gli amici ti amo oggi, domani e sempre! 'Be who you are and say what you feel... Because those that matter... don't mind...And those that mind... don't matter.' Deo adjuvante non timendum "We cannot be sure of having something to live for unless we are willing to die for it." The things that will destroy us are: politics without principle; pleasure without conscience; wealth without work; knowledge without character; business without morality; science without humanity; and worship without sacrifice" Mathatma Mohandas Karamchand Ghandi John Wayne said "Life's tough. It's tougher when you're stupid!!" People fear what they don’t understand *"Any man who thinks he can be happy and prosperous by letting theGovernment take care of him better take a closer look at the AmericanIndian." *Henry Ford On Wed, Feb 23, 2022 at 2:08 PM Chris Romp <chrisromp+ch...@gmail.com> wrote: > Agreed - I was trying to figure out if the channel/frequency mapping > is a Part 95E requirement. If it is, I cannot find it. The only place > I can find a reference with channels is under Part 95B, "FRS > Channels," but the equivalent (?) regs for GMRS simply state the > frequencies allowed, which makes sense. Some links below. > > 47 CFR Part 95B §95.563 "FRS Channels" - > > https://www.ecfr.gov/current/title-47/chapter-I/subchapter-D/part-95/subpart-B/section-95.563 > > 47 CFR Part 95E §95.1763 "GMRS Channels" - > > https://www.ecfr.gov/current/title-47/chapter-I/subchapter-D/part-95/subpart-E/section-95.1763 > > Thanks, > Chris > > > On Wed, Feb 23, 2022 at 10:37 AM Nigel A. Gunn G8IFF/W8IFF > <ni...@ngunn.net> wrote: > > > > OK Chris. > > In most radios that come pre-programmed by the manufacturer, as opposed > to the random channels that a manufacturer seems to leave in there after > testing, I believe they are locked by the firmware in order to comply with > a country's frequency allocations and get type approval in that country. > Don't know if the FCC insists on that. > > > > > > > On 23/02/2022 13:27 Chris Romp <chrisromp+ch...@gmail.com> wrote: > > > > > > > > > Hi Nigel, > > > > > > In the case of the RB26 that doesn't appear to be true: I have one in > my hands that's configured for repeater 18 (625) on the radio's channel 1, > and they seem perfectly happy to radio clone that configuration to other > units. It may be that other radios do enforce it in the firmware (e.g. > BTech GMRS V1, though I haven't tested that). > > > > > > Jim KC9HI explained that CHIRP is doing this because that's how the > OEM software behaves in the case of the RB26. I've since pulled down their > (terrible) software and verified that, and emailed Retevis to ask why (not > optimistic I'll get a useful response). > > > > > > > > > Thanks, > > > Chris KN6LEH > > > > > > > > > On Wed, Feb 23, 2022 at 10:16 AM Nigel A. Gunn G8IFF/W8IFF < > ni...@ngunn.net> wrote: > > > > Nothing to do with Chirp. The radio's firmware doesn't allow them to > be changed. > > > > > > > > > > > > > On 23/02/2022 12:44 Chris Romp <chrisromp+ch...@gmail.com> wrote: > > > > > > > > > > > > > > > Thanks, Jim, for that info. I've reached out to Retevis to see if > > > > > they have any input. Would it basically be a requirement for > CHIRP to > > > > > support assigning any GMRS frequency to any channel for Retevis to > > > > > change their OEM software, even if the radio supports it? > > > > > > > > > > Thanks again, > > > > > Chris > > > > > > > > > > > On Mon, Feb 21, 2022 at 6:08 PM Chris Romp < > chrisromp+ch...@gmail.com> wrote: > > > > > > > > > > > > > > Hello, > > > > > > > > > > > > > > I have a question about how CHIRP handles GMRS radios, e.g. > BTech GMRS V1 and Retevis RB26. I've noticed that CHIRP enforces that GMRS > channels follow the FRS channel number and frequency pairings, e.g. Channel > 1 is 462.5625, Channel 18 is 462.625, etc. I've been trying to find in the > FCC regs if this mapping is a requirement of GMRS operation. The only place > I've found the channels spelled out is on 47 CFR Part 95B ?95.563 "FRS > Channels" (link), but GMRS seems only to specify the frequencies and > bandwidth which may be used via Part 95E ?95.1763 "GMRS Channels" (link). > It's entirely possible that I've missed the clause requiring this mapping, > and I am not a lawyer, so apologies if I've overlooked it. > > > > > > > > > > > > > > When I am programming a GMRS radio, I don't always want what > my family refers to as our "channel 1" to be 462.5625. Likewise I may want > to set up different repeaters that may use the same frequencies, but > different tones (especially on radios where I cannot edit the tone from the > radio itself) I am able to program the RB26 to accept an alternate > GMRS-legal frequency with a little trickery, so there does not seem to be a > firmware restriction enforcing this and it hasn't bricked my radio (yet). > > > > > > > > > > > > > > Would it be possible for CHIRP to accept GMRS-legal > frequencies in any channel slot, and not require the FRS channel-frequency > mapping? > > > > > > > > > > > > > > Thank you, > > > > > > > Chris Romp > > > > > > > > > > > > The BTECH GMRS-V1 channel assignments are in firmware. Even if > CHIRP > > > > > > would let you put in different frequencies, it wouldn't make any > > > > > > difference. Channel 1 will always be 465.5625 MHz. > > > > > > > > > > > > The Retevis models are programmed to match how the OEM software > > > > > > behaves. Some of the newer Retevis models let you program the > GMRS > > > > > > frequencies in the radio however you please. > > > > > > > > > > > > Jim KC9HI > > > > > _______________________________________________ > > > > > chirp_users mailing list > > > > > chirp_users@intrepid.danplanet.com > > > > > http://intrepid.danplanet.com/mailman/listinfo/chirp_users > > > > > This message was sent to Nigel Gunn, W8IFF at ni...@ngunn.net > > > > > To unsubscribe, send an email to > chirp_users-unsubscr...@intrepid.danplanet.com > > > > > To report this email as off-topic, please email > chirp_users-ow...@intrepid.danplanet.com > > > > > > > > Nigel A. Gunn, ///shoulders.outwards.resolutions tel +1-937-971-0366 > > > > Amateur Radio G8IFF W8IFF and GMRS WRBV701, e-mail ni...@ngunn.net > www http://www.ngunn.net > > > > > > > > Nigel A. Gunn, ///shoulders.outwards.resolutions tel +1-937-971-0366 > > Amateur Radio G8IFF W8IFF and GMRS WRBV701, e-mail ni...@ngunn.net www > http://www.ngunn.net > _______________________________________________ > chirp_users mailing list > chirp_users@intrepid.danplanet.com > http://intrepid.danplanet.com/mailman/listinfo/chirp_users > This message was sent to Frank at coloradomountainri...@gmail.com > To unsubscribe, send an email to > chirp_users-unsubscr...@intrepid.danplanet.com > To report this email as off-topic, please email > chirp_users-ow...@intrepid.danplanet.com
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