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Diffstat (limited to 'www/hall-of-shame.html')
| -rw-r--r-- | www/hall-of-shame.html | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/www/hall-of-shame.html b/www/hall-of-shame.html index 5500be71..abae8e4b 100644 --- a/www/hall-of-shame.html +++ b/www/hall-of-shame.html @@ -24,7 +24,9 @@ GPS Hall of Shame <a href="xgps-sample.html">Screenshots</a><br/> <a href="index.html#recipes">Recipes</a><br/> <a href="index.html#others">Other GPSDs</a><br/> + Hall of Shame</br> <a href="hardware.html">Hardware</a><br/> + <a href="hacking.html">Hacker's Guide</a><br/> <a href="references.html">References</a><br/> <a href="hardware.html">Hardware</a><br/> History<br/> @@ -40,9 +42,10 @@ GPS Hall of Shame <div id="Content"> -<p>The GPS world is full of shoddy, poorly-documented designs. All too -many devices have behaviors that drive the harried maintainers of GPSD -to shake their heads and mutter <q>What where they <em>thinking</em></q>?</p> +<p>The GPS world is full of shoddy, poorly-documented designs. All +too many devices have behaviors that drive the harried maintainers of +<code>gpsd</code> to shake their heads and mutter <q>What where they +<em>thinking</em></q>?</p> <p>This page goes beyond the merely ordinary and commemorates the really <em>special</em> blunders — bugs and design errors so @@ -78,6 +81,14 @@ packet incorrectly. If you trust them, you will extract garbage from good packets.</p></li> </ul> +<h2>Design blunders</h2> + +<ul> +<li><p>SiRF binary mode, which is supposed to be the vendor's +all-singing-all-dancing better-than-NMEA protocol, delivers HDOP but +not PDOP or VDOP. SiRFs in NMEA mode deliver all three.</p></li> +</ul> + </div> <hr/> <script language="JavaScript" src="datestamp.js" type='text/javascript'></script> |