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Re: [gpsd-users] problem decoding type 24A AIS packets
From: |
Eric S. Raymond |
Subject: |
Re: [gpsd-users] problem decoding type 24A AIS packets |
Date: |
Sun, 4 Mar 2012 20:44:09 -0500 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Roy Barkas <address@hidden>:
> The version of gpsdecode that I'm using returns nothing when it is
> presented with a AIS type 24A message. It does decodes type 24B just fine.
>
> If I put the following (evidently valid) sentences into a file called
> test24 and run:
> $gpsdecode -J < test24 I get no output from gpsdecode.
>
> All other AIS message types that I have tried work just fine including type
> 24B.
>
> !AIVDM,1,1,,,H3P;address@hidden@40000000000000,2*4C
> !AIVDM,1,1,,A,H7P?p61T5L4L586222222222220,2*2F
> !AIVDM,1,1,,,H6<address@hidden:1A<4U8000000,2*03
>
> I'm using the version of gpsdecode / gpsd that is available in Ubuntu's
> repositories for Ubuntu 10.04.4 LTS.
>
> gpsd -V yields:
>
> gpsd: 2.92 (revision svn)
>
> When I run gpsdecode -V I see:
>
> SVN ID: $Id: gpsdecode.c 6965 2010-01-30 14:19:42Z esr
>
> Have there been bug-fixes or changes since 2.92 that might solve this
> problem?
Evidently not. I'm also getting failure to decode here. I'll investigate
and fix.
> Is there a Debian / Ubuntu package for installing gpsd v3?
There is, but I do't know that it ha been backported to 10.x.
--
<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>