What about using an iPhone with Google Earth and the built-in GPS locator function? I know Google Earth isn't totally accurate and some of the coverage of the Himalayas region is only in low resolution but used in combination with printed trekking maps it could be a usable solution? I'm hoping to take my iPhone to India with me this year and test it out. :)
You have a good point, I didn't really think that one through well enough! Of course you would need good cell phone coverage to obtain a GPS reading with an iPhone. Probably not something you can get easily in the Himalayas? Oh well, back to the satellite systems then. Just need to find one that has decent out of city mapping capabilities. :)
Well, GPS on your phone will, if it GPS, work just fine --- just that there may not be much in the way of map!
As I've mentioned, Chennai is well covered by Nokia Maps, but on a recent visit to Kerala I found nothing but a few major roads. I was still able to get lat and long coordinated to facilitate seeing places on Google Earth back home. At a pinch, it would have told me the direction and distance from one saved place to another too --- but not much more.
So, we are back to square one ! Take a detailed terrain map (physical or printout) with good resolution and Logitude+latitude data, use cheap but reliable GPS, giving at least correct coordinates (Long+Latt) and then fix your position over the map manually.
i bought a nokia n810 its not actualy a normal gps its an internet tablet with built in gps. the advantages are that you can use a lot of diffrent mapsources for example gstreet, yahoo, virtual erath, osm maps and any kind of vector-maps such as garmin-maps. so you are very flexible! search for "maemo mapper" or "navit" for further informations... i bought it for 200$ last week!
I want to buy a GPS System which should not be very costly also offering the basic functions. I have never used a GPS so dont have any idea of using it.
Do the normal GPS comes with features like Altimeter, thermometer, waterproof ?
Kindly suggest me good brands and if possible their link.
Thanks in advance.
Garmin eTrex H is a good and cheap (less than $100 in USA) GPS unit, especially for hikers/trekkers. I own a Garmin eTrex Vista HCx, which has lot more features than the eTrex H model, but eTrex H should suffice for most, including me.
I use it mostly for creating my trails and waypoints (co-ordinates of important points on the trail). It eases returning to the trail head by letting me know how far and in which direction any given waypoint is from my current location.
However, paper maps and compass are must for backup if going on a remote trail. As are additional batteries for the GPS unit.
Amazon's site contains fairly good review of these GPS units.
Has anyone got experience of using a Garmin Nuvi GPS unit purchased in the USA, and subsequently purchased a map chip that covers India, particularly the State of Rajasthan. If you did purchase a map chip, where did you get it and does it work well? Any help is much appreciated.
ok so im back and tried the n810 in india!^^ works quite well, and its easy to get the maps you actually need simply by finding wifi access! i didn use it in a professional way, it was more like a gadet, but it stil worked fine with google maaps!
Unless your mobile phone has a satellite receiver built into it, the position that it gives out is not your position, but the position of the cell tower that you are currently connected to, from Google's cell ID (cell tower) location database. Whilst in a big city centre this may pinpoint you down to 100m or so, in the countryside the tower may be several kms from where you are, so don't start thinking the Rescue Services can use this to locate you on a trekking trip!
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