[OZAPRS] Antw.: HF APRS with an FT 857D and Kantronics KP3

[Mike, oe3mzc@oevsv.at]

Some hints:
In most cases it is the wrong QRG... so even if 10.147,6 is in your display, the trx will tx slightly offset. Sometimes special settings to increase higher frequencies in voice spectrum will also offset display. Also check RTTY display offset.

I think you should see some ALC indication, since it does NOT harm 300baud FSK.

Use Path ECHO to hear ur packet repeated by all Gates.

Mike Zwingl, OE3MZC 

----- Reply message -----
Von: "Mark Austin" <vk2jma at gmail.com>
An: "Australian APRS Users" <ozaprs at aprs.net.au>
Betreff: [OZAPRS] HF APRS with an FT 857D and Kantronics KP3
Datum: Di., Apr. 26, 2011 09:49


Shaun,
Had much the same problem with an OT2 two week ago, the XYL has almost
forgiven me, almost!. You note the AGL is 0 at a dig gain of 45. My
problem ended up being the radio. My 857 settings are,

Mem 36=0
Mem 37=4  (yes that's 4, but the OT2 audio was set to flat out.)
Mem 38=psk31-u
Mem 39=0

But the all important bit I was missing was the RTTY AGL setup. Page
63 of the manual, from point 4 (the last line on the page) to point 9
on page 64. The only other issue was the tone set. The OT2 uses
2110/2310 on HF not 1600/1800 so the radio is set to 10147.09.

Good luck,
Mark

On Tue, Apr 26, 2011 at 5:18 PM, Shaun <shaunbaby at optusnet.com.au> wrote:
> OK, fixed this up to: Do use the following TNC settings for your success.
> TXDelay 400ms, PACket LENgth 128, SLOTtime 300ms PERsistance 64ms.
>
> And noted 10min BLT not 2min for VHF as per below
>
> Shaun
>
> On Tue, 26 Apr 2011 16:41:19 Shaun wrote:
>> Been trying to get this to work all day, much to the annoyance of the XYL.
>>
>> Interface is working to the 857, which is set to DIG PSK31U on 10.147.6.
>> ALG is not indicating with DIG gain at 45.
>>
>> Problem is I don't have a second radio to hear myself. I tested initally on
>> 2m with a HH to hear what was happening and all seemed fine.
>>
>> Used this to set up the TNC :
>> http://www.aprs.net.au/category/national-categories/configuration.
>>
>> Can anyone see anything I have done that I am missing?
>>
>> Thanks
>>
>> Shaun VK2XPP
>>
>> p.s. BLT is set to 30sec for the purpose of testing only.  It will be up at
>> 2min or more as recomended by the APRS.net once all is hunky dory.
>>
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