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It seems folks were paying attention when I posted above regarding the Oregon GPS as I received a suprising number of PMs regarding the device.
Most of you wanted to know what type of mapping software if any was needed to actually use the device. The device can use any GPX file. There are MANY was of creating these files and they include options such as:
Download pre-existing GPX files for thousands of trails from Backpacker.com, trails.com or Geocaching websites
Create them manually using free software packages - you usually have to look up the coordinates in a second piece of software.
Delorme Topo - Commercial software, but its actually quite capable. This is what I personally use only because I was able to get the entire US for a moderate price. I'm on an older version, but it still works quite well and was less than 1/2 the price.
National Geographic Topo! - Commercial software again, but offers many different options on what maps you'll have available.
Garmin's Mapsource - Commercial software, but Garmin includes this software for free with most of their GPS units. The very strange part is that they didn't include it on their most expensive consumer GPS units. It isn't bad software, however, don't buy it from Garmin. There is (oddly) a very unusual way of getting it for free directly from Garmin. This works out as the software really should have come with such and expensive unit for free anyway. Garmin Mapsource for Free! Mapsource comes with very basic map layer. However in a very unusual twist of fate, you can copy the T model maps to your computer in such a manner that you can upload your high detail maps from your GPS to your PC so Mapsource can use it instead, giving you identical maps from your planning software to your mapping GPS.
Online GPX creator applications from that create basic GPX files from online topo files. These are often an exercise in patience and are finiky at best.
On the device itself - manually typing each digit of the coordinates one at a time - really sucks, but it does work.
Manually creating a GPX file from known coordinates using Notepad and such. Faster than the above option, but requires a certain level of technical understandings.
*BIG NOTE* No current GPS mapping software (that I am aware of) for the computer currently "syncs" with the Oregon units. In the past, GPS units had to have the software recognize the unit and talk to it on a special port portocol NMEA and such. Now the Oregon just shows up as a USB storage device. That is a good thing and a bad thing. On the plus side, you can easily copy files back and forth. On the minus side, you cannot create a route and auto sync to the device. Instead you must export it to a GPX file and copy that GPX file to the device. It's an extra step that simply is not documented in any software or manual that came with the device. I legitamently thought my device was defective until I poured through online forums to find that little tidbit out.
Regarding the T units vs Non-T units. It is possible to download Topograpic layers onto the non-T units, but not for all models. It must have sufficent onboard memory or, you need to go through a lot of technical hoops to create a micro SD that can be formatted properly to host the map layer. Frankly, I recommend just buying the T model and you can play with custom POIs and map layers still, but it has the onboard memory to allow future custom items and still have the micro SD slot for purchased map layers such as driving navigation.
The T model includes streets as well, but doesn't actually navigate per say. So if you need to that option plan on spending an additional $100 but it'll be much smarter to just buy a car based GPS system. As a major perk, the T models have significant levels of backcountry roads marked, something I've found handy when bailing on routes that were blocked from wildfires or blizzards.
Edited by slacklinejoe on 01/20/2010 21:36:07 MST.
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