I upgraded to a Humminbird chartplotter this year and was messing around with it, and wondering if there was somewhere I could get buoy coordinates from NOAA. I looked on the side and all I found were tide station coordinates. I did play with the .gpx file and it is fairly simple (although not well documented) so I figured out how I could bulk process entries. Any ideas? The file format is below:
<?xml version="1.0" encoding="UTF-8" standalone="no"?><gpx xmlns="http://www.topografix.com/GPX/1/1" xmlns:h="http://www.humminbird.com" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" creator="Humminbird PC Build 3.0.26 2008-12-12 13:47" version="1.1" xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd">
<!-- Comment -->
<!-- Symbol types: Airport, Anchor, Beverage, Boat, Buoy, Camp, Circle, Cross, Danger, Diamond, Duck, Fish, Flag, Home, Moor, Pattern, Pier, Ramp, Recording, Restaurant, Rocks, Shower, Slip, Snapshot, Timber, Water, Recording, Wreck -->
<!-- HumminbirdPC needs lat/lons to be in decimal dotted format to read. Formula to convert lat/lons to decimal needed here. Take standard notation,
strip out symbols to get this 36554 and use this excel formula =LEFT(C2;2)+MID(C2;3;2)/60+MID(C2;5;2)/3600 to convert to 36.92 that it can read -->
<!-- NANSEMOND RIVER -->
<wpt lat="36.91777778" lon="76.41694444"> <time>2009-05-06T03:25:05Z</time><name>Pig Pt 1.8nm NE</name> <sym>Recording</sym> <extensions><h:share>yes</h:share><h:depth>0.0</h:depth><h:status>1</h:status></extensions> </wpt>
</gpx>
<?xml version="1.0" encoding="UTF-8" standalone="no"?><gpx xmlns="http://www.topografix.com/GPX/1/1" xmlns:h="http://www.humminbird.com" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" creator="Humminbird PC Build 3.0.26 2008-12-12 13:47" version="1.1" xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd">
<!-- Comment -->
<!-- Symbol types: Airport, Anchor, Beverage, Boat, Buoy, Camp, Circle, Cross, Danger, Diamond, Duck, Fish, Flag, Home, Moor, Pattern, Pier, Ramp, Recording, Restaurant, Rocks, Shower, Slip, Snapshot, Timber, Water, Recording, Wreck -->
<!-- HumminbirdPC needs lat/lons to be in decimal dotted format to read. Formula to convert lat/lons to decimal needed here. Take standard notation,
strip out symbols to get this 36554 and use this excel formula =LEFT(C2;2)+MID(C2;3;2)/60+MID(C2;5;2)/3600 to convert to 36.92 that it can read -->
<!-- NANSEMOND RIVER -->
<wpt lat="36.91777778" lon="76.41694444"> <time>2009-05-06T03:25:05Z</time><name>Pig Pt 1.8nm NE</name> <sym>Recording</sym> <extensions><h:share>yes</h:share><h:depth>0.0</h:depth><h:status>1</h:status></extensions> </wpt>
</gpx>