[aprssig] Appalachian 9600 baud KA node Backbone

John D. Hays john at hays.org
Mon Jul 17 20:16:46 CDT 2017


BTW, with the UDRC II and the Bridgecom Radio, you might be able to go even
higher speeds on your backbound as it uses the direwolf modem by WB2OSZ

On Mon, Jul 17, 2017 at 6:14 PM, John D. Hays <john at hays.org> wrote:

> BTW, here is a radio that will go to the 219 band and wide bandwidth --
> https://www.bridgecomsystems.com/products/bcm-220-mhz-mobile-radio
>
>
> On Mon, Jul 17, 2017 at 6:06 PM, John D. Hays <john at hays.org> wrote:
>
>> Incorrect -- you are allowed up to 56 kbaud in 100 KHz on 219-220,
>> 222-225, and 420-450 (and 19.2 Kbaud on 2m)
>>
>>
>> http://www.w5yi.org/page.php?id=137   97.305
>>
>> http://www.w5yi.org/page.php?id=139  97.307 Notes 5,6,8,13
>>
>>
>>
>> On Mon, Jul 17, 2017 at 5:38 PM, Michael Barnes <barnmichael at gmail.com>
>> wrote:
>>
>>> IIRC you can only do 9600 on 420 and above. Use of 219 will limit you to
>>> 1200.
>>>
>>> Michael WA7SKG
>>>
>>>
>>> On Jul 17, 2017 17:06, "John D. Hays" <john at hays.org> wrote:
>>>
>>>> Are you sure you are not referring to line A  which limits use of
>>>> 420-430 within a certain distance of Canada?
>>>>
>>>> Finding a common frequency in the 430-440 segment is more likely than
>>>> 440-450.  However, if you put the backbone on the 219-220 band you would
>>>> have greater range and much less competition.
>>>>
>>>> I do have to put a plug in for the UDRC-II which can provide two radio
>>>> connections one for the backbone and one for user access (or two backbone
>>>> radios if desired).  https://nw-digital-radio.grou
>>>> ps.io/g/udrc/wiki/UDRC%E2%84%A2-II-Cabling-For-2-radios
>>>>
>>>> On Mon, Jul 17, 2017 at 3:43 PM, Bob Harris <knineudx at gmail.com> wrote:
>>>>
>>>>> Be aware that there are restrictions on the amateur UHF (440 MHz)
>>>>> frequencies in New Hampshire. The restrictions are such that the DMR
>>>>> repeaters (at least in the northern part of the state) are on VHF. I
>>>>> believe Canada has priority to the frequencies for military use.
>>>>>
>>>>>
>>>>>
>>>>
>>
>
> --
>
> ------------------------------
> John D. Hays
> K7VE
>
> PO Box 1223, Edmonds, WA 98020-1223
>    <http://k7ve.org/blog>  <http://twitter.com/#!/john_hays>
>
>


-- 

------------------------------
John D. Hays
K7VE

PO Box 1223, Edmonds, WA 98020-1223
   <http://k7ve.org/blog>  <http://twitter.com/#!/john_hays>
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