[amsat-bb] Icom IC-9700 and Kantronics TNC

[Tim N8DEU]

Simplex is the only method I tried at this point to keep it simple.

Two different IC-9700 Radio radios, one with a Kantronics 9612 and one with a Kantronics KAM XL. Both using simplex and both exhibiting the same results.


- Tim
________________________________
From: AMSAT-BB <amsat-bb-bounces at amsat.org> on behalf of W3AB/GEO via AMSAT-BB <amsat-bb at amsat.org>
Sent: Friday, September 4, 2020 6:52:05 PM
Cc: amsat-bb at amsat.org <amsat-bb at amsat.org>
Subject: Re: [amsat-bb] Icom IC-9700 and Kantronics TNC

Tim,

Have you tried simplex contacts?

⁣___
Sent from my two way wrist watch
73 de W3AB/GEO​

On Sep 4, 2020, 14:53, at 14:53, Tim N8DEU via AMSAT-BB <amsat-bb at amsat.org> wrote:
>Has anybody interfaced a Kantronics 9612 or the KM XL TNC to the
>accessory port of the Icom IC-9700?
>
>The reason I am asking is there are two IC-9700 users using the same
>firmware who are experiencing the same issue with both of these TNC’s.
>Packets are decoded with little to no issue on the receive side, but
>the transmit side is a different story.
>
>It seems only about 30% of the transmitted packets are decoded by other
>stations using 1200 baud. The deviation of the transmit signal and the
>TX delay are not the issue. The same TNC works with no issue on a Yaesu
>FT-736 and the FT-847.
>
>
>Thank You,
>Tim Cunningham - N8DEU
>
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_______________________________________________
Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
to all interested persons worldwide without requiring membership. Opinions expressed
are solely those of the author, and do not reflect the official views of AMSAT-NA.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb