[aprssig] Did ICOM DSTAR ever take off ? can it be used for APRS ?
AE5PL Lists HamLists at ametx.comTue Jun 21 13:35:45 UTC 2005
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No, it is not "8 bit clean". The radios use Xon/Xoff flow control and use CR/LF as line terminators for position reports. The D-Star interface for javAPRSSrvr passes all TNC2 format packets heard on RF directly to APRS-IS (standard IGate operation). It also will gate (in TNC2 format) packets to RF just like a normal IGate. In addition, the interface translates the non-APRS position lines (CR/LF delimited) generated by a D-Star radio in GPS mode into APRS position packets which are also then passed on to APRS-IS. These translated APRS position packets can also be "echoed" back to RF for RF users with APRS clients to see. While some clients do not support direct KISS interfaces, to my knowledge all do support TNC2 format interfaces. It is actually much more compatible (and simpler to implement) if the clients think they are looking at a standard TNC2. Also, the D-Star radios don't allow RF routing as you describe. In fact, there are no connections made with regards to this type of operation (broadcast, just like APRS was designed to use). 73, Pete Loveall AE5PL mailto:pete at ae5pl.net > -----Original Message----- > From: Gregg Wonderly > Posted At: Tuesday, June 21, 2005 8:08 AM > Subject: Re: [aprssig] Did ICOM DSTAR ever take off ? can it > be used for APRS ? > > Is it not 8 bit clean so that KISS could be used? A regional > TNC server is in my mind where DSTAR radios could be used to > connect to software such as yours that would forward each > packet received on through the APRS-IS. With a different > (other than 0) device number, RF routing might be selected etc.
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