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[wxsig] Transmit problem with T-238+ Modem

Michael Dzado m.dzado at mchsi.com
Wed Oct 15 08:01:23 UTC 2008


Hi Mark
Thank you for your suggestion.  I just tried it and no luck.  I think that's
definitely one of my issues.  I am running version 1.15.4R.  WIDE2-2 shows
up as WIDE2 -2 on the entry screen.  I assume the space gets eliminated in
the output string.

Best regards
Michael


-----Original Message-----
From: wxsig-bounces at lists.tapr.org [mailto:wxsig-bounces at lists.tapr.org] On
Behalf Of Mark Patton
Sent: Tuesday, October 14, 2008 7:31 PM
To: TAPR Weather Station SIG Mailing List
Subject: Re: [wxsig] Transmit problem with T-238+ Modem

Michael,

Have you tried putting "wide2-2" in both Repeater 1 and Repeater 2?  I 
had a similar problem with not being heard when I left it blank. That 
way it will use any Igate that can hear it.

73's
Mark


Michael Dzado wrote:
> Hi Will
>
> Thank you for your reply.  
>
> I tried my Kenwood TH-D7A(G) using its internal TNC and a GPS from the
same
> physical location and antenna.  It gets to the IGate and my data shows up
on
> FindU.  It was suggested to me that I may not have signal level on the
modem
> audio output set properly.  Do you have any suggestions on how to measure
> it? 
>
> I have several questions: 
> Is the baud rate in modem mode set at 1200 or is it selectable?  If its
> selectable, how do I set it to 1200?
>
> The GPS coordinates are 4202.877N 9134.466W.  I wasn't able to set a
decimal
> between 42 and 02 or 91 and 34.  It took 4 digits as an input.  Should the
> input be 0042.05N and 91.57W?  
>
> Can you send me the link for 1.16.0?  I only found 1.15.8 online.
>
> I appreciate your help.  It's a great learning experience for me.  
>
> Thank you
> Michael
>
>
>
>
>
> -----Original Message-----
> From: wxsig-bounces at lists.tapr.org [mailto:wxsig-bounces at lists.tapr.org]
On
> Behalf Of William Beals
> Sent: Tuesday, October 07, 2008 11:28 PM
> To: 'TAPR Weather Station SIG Mailing List'
> Subject: Re: [wxsig] Transmit problem with T-238+ Modem
>
> Michael:
>
> You may be having two different problems.  
>
> All of the Kenwood radios with TNCs built-in will only display data if the
> source ID begins with AP.  I found this out pretty (OK, VERY) late in the
> process, so you need firmware rev 1.15.8 or 1.16.0.  Starting with 1.15.8,
I
> changed my source ID from WX1W to AP1WWX for that compatibility issue.
That
> shouldn't affect you showing up on FindU though.
>
> For FindU, I have a couple leading questions that may help isolate the
> issue: 1) Do you have any independent confirmation that you can get to an
> Igate from your location?  That is, just confirming that it is a T238+
> issue, not something else?  2) It may be a typo, but the coordinates you
> show below are missing a decimal point.  3) I am actually not sure what
> happens if you specify your own call-sign and same SSID as a repeater
> callsign.  You'd essentially be telling the radio initiating the
> transmission to listen for it and send it again.  The T238 will certainly
> not do that!  What you need to do is look at other stations in your area
on
> FindU and look at the raw data for those stations.  From those you can get
> hints as to what they are using for the repeaters to get to the Igate.
The
> other method is a judicious choice of WIDEn-n for the repeater ID, but for
> that do consult a local expert, that can lead to a lot of clogging of the
> airwaves.  Lastly, you maybe within earshot of an Igate, in which case you
> would not need any repeaters.
>
> Hope that helps or at least gets you started in the right direction.
>
> will
>
>
> -----Original Message-----
> From: wxsig-bounces at lists.tapr.org [mailto:wxsig-bounces at lists.tapr.org]
On
> Behalf Of Michael Dzado
> Sent: Tuesday, October 07, 2008 7:28 PM
> To: wxsig at lists.tapr.org
> Subject: [wxsig] Transmit problem with T-238+ Modem
>
> Hi
>
>  
>
> I built the T-238+ Kit with Modem and have it connected to my one wire wx
> system.  Basically, everything appears to be working, but I am not seeing
> data on the FindU site and do not receive APRS WX data on my Kenwood
> TH-D7A(G) handheld.
>
>  
>
> I have tried transmitting through a TH-K2 and TH-D7A(G).   I can hear the
> packet go out and received on my radios, but do not see the data.  I can
see
> the waveform on a scope.  The amplitude set almost full on the tx output.
>
>  
>
> I have the UART/Display options set for 5-min avg (modem)
>
>  
>
> I have the Position String and Modem Setup set
>
> 4202.877N 9134.466W
>
> MyCall Sign AC0HB - 1
>
> Repeater 1 AC0HB - 1
>
> Repeater 2 AC0HB-1
>
>  
>
> Not sure what the correct settings should be or whether they have an
effect
> on this problem.  It appears that the data string is not set correctly,
but
> I don't know how to verify it.
>
>  
>
> Any suggestions?
>
> Thanks
>
> Michael
>
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