+kimgh Posted September 19, 2009 Share Posted September 19, 2009 I'm using a Garmin GPSmap 60CS as my primary GPSr. I use MacIntosh computers at home, and I have GPSBabel+ and a few other relevant utilities. I've found by experimentation that the 60CS will hold about 524 waypoints. There is nothing in the manual that says what this max number actually is, and, as far as I can tell, no way to get the GPSr to tell me how many I have directly; I have to download the whole set and use some Unix tools to "count" them. All that is preparatory but incidental. The problem is this: I currently have my waypoint memory filled with waypoints from three different geographical areas: my home area in San Jose, the Kirkland and Tacoma area of WA (which I visit 2 or 3 times a year), and the Nampa, Idaho region, which I visit about once a year. It's clear that I need to clear out the non-home areas for most of the time and only upload them when I'm going to be there. However, the problem is: how to do that efficiently? I usually maintain waypoint files in GPX format, which is great for holding all the data, including even descriptions of the caches. But it's really difficult to edit and (in particular) to sort by latitude. So: is there a better format for that purpose (that preserves the names and all the data that the 60CS will hold. It doesn't need the description info, since the 60CS won't store that data). I'm sure some of you have solved a similar problem before, so I'm looking to get ideas from all of you. I'm not unable to write Perl scripts to manage things, but I hope there is a simpler way and a simpler format to use than GPX for this purpose. Or even a utility I haven't encountered yet! Hmmm, on reflection, it occurs to me that judicious use of Pocket Queries would probably make this problem go away altogether. Is that what you all do? Thanks for your suggestions... Quote Link to comment
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