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[aprssig] New Version 0.45 of UZ7HO "Soundmodem" Soundcard TNC Released

Stephen H. Smith wa8lmf2 at aol.com
Tue Oct 30 17:01:44 UTC 2012


On 10/30/2012 12:22 PM, Charles Bland wrote:
> I have done the same thing, writing a program that uses the AGW TCP/IP 
> interface. It is easy and gives me the ability to have multiple computers use 
> one RF package.
>
> It was my understanding from the published protocol spec that it is OK to 
> interface to AGWPE in this way. Did I read this wrong?

NO.   External programs linking to AGWpe are fine.

>
> OR - is your concern that UZ7HO has written a soundcard engine and that 
> provides the same TCP/IP interface as AGWPE?

Exactly!    The UZ7HO "Soundmodem" replaces AGWpe itself, and faithfully mimics 
the TCP/IP interface of AGW.   Any program such as UIview, APRSpoint, APRS+SA, 
Winlink, etc that can link to AGW as a soundcard TNC can use the Soundmodem 
instead with NO changes at all.

Note that UZ7HO only duplicates the soundcard "Soft TNC" function of AGW and 
it's associated IP interface.    UZ7HO  does NOT provide the multiple KISS 
interfaces to hardware TNCs, and multiple serial-port sharing capabilities of 
the original AGWpe.

Further, the Soundmodem lacks the legacy alternate interface based on Windows 
DDE (Dynamic Data Exchange) that some really old AGW-using apps (like G4IDE's 
WinPack) depend on.   Only newer AGW-using apps based on the TCP/IP interface 
will work with the Soundmodem.

-------------------------------------------------------------------------------

--

Stephen H. Smith    wa8lmf (at) aol.com
Skype:        WA8LMF
Home Page:          http://wa8lmf.net

High-Performance Software-Only Packet TNC
http://wa8lmf.net/miscinfo/UZ7HO-Soundmodem-Install-Ver-0.45-Beta.exe

High Quality Calibrated Static Maps for Any APRS App
    http://wa8lmf.net/aprs/PM9_StaticMap_Export.htm

  Vista & Win7 Install Issues for UI-View and Precision Mapping
     http://wa8lmf.net/aprs/UIview_Notes.htm#VistaWin7


"APRS 101"  Explanation of APRS Path Selection & Digipeating
   http://wa8lmf.net/DigiPaths



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