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On Jun 19, 2021, at 8:06 AM, N5XMT <dacooley@...> wrote:

?

There is also the TARPN NinoTNC

Same size as a pi, but it's USB instead of GPIO.? I run one for Mobile APRS, and was running one for an iGate at the QTH.? The have shut down for a month on selling them, but I still have a couple bare boards I'll part with for shipping cost.? They have a full parts list and Mouser BOM on their site with all instructions.? Only thing you'd need to wait for is the programmed processor chip from them.? I think the chip is 9.00 or so, the Mouser parts package is about 24.00.

On Jun 19, 2021, at 07:03, "Les Keegan via " <yahoo.com@groups.io target=_blank>[email protected]> wrote:

Coasta Chip Works TNC for Pi's work well. Sadly they do not make anymore but maybe someone has one out there that are willing to part with. These TNC's fit right over the GPIO pins and nice neat little package. I use the Icom F-121S commercial radios for my packet digipeaters. Associated Radio made the cables for me.

Les Keegan

N4LPK

On Friday, June 18, 2021, 07:13:44 PM EDT, Don Ritchie <dritchie@...> wrote:

not aprs, but packet on a separate network, on what used to be a navy MARS channel

Will became part of SHARES network.

On 6/18/2021 17:18, David Ranch wrote:

Would this be an APRS digipeater or a connected packet digipeater?? I think any Raspberry PI solution could be made bullet proof with a bit of hardening (read only file systems, enable CPU watchdog, etc).?? If you want more of a purpose built appliance, consider a Kantronics KPC3+ with a 9.1 firmware with the hardware flowcontrol workaround implemented:

??

--David
KI6ZHD

On 06/18/2021 11:33 AM, Don Ritchie wrote:

We are looking for the correct "answer" to a question that someone on
this should be able to answer ...

What is the best device to use as a TNC that will no resetting ?

Something that can be "deployed" at a remote location as a digipeater,
with a good commercial radio

that could be a "set and forget" device ?

Thanks

Don K8ZGW