Questions related to the Global Positioning System (GPS) and its use in the great outdoors.

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14
votes
5answers
986 views

What format should I use to report my location to emergency responders?

Suppose I am out in the wilderness and an emergency arises. I have an accurate fix on my location (from GPS, map and compass, astronomical observation, etc...). I manage to get in touch with ...
11
votes
3answers
248 views

How to select a good GPS receiver?

What should one look for in the specifications to determine whether a handheld purpose-built GPS receiver provides good navigational consistency under reasonably normal, low-speed conditions? Highly ...
10
votes
3answers
190 views

Navigational gear worldwide

Is there any difference in navigational equipment between the northern and southern hemisphere? We live in the northern hemisphere but will be emigrating to the southern in the next few weeks. We'll ...
9
votes
6answers
3k views

Is a smartphone or dedicated gps receiver better for navigation in the desert?

For most backcountry navigation I use a topo map and compass when necessary. Generally I'm following known trails and combined with some basic awareness of cardinal direction and land features I don't ...
9
votes
5answers
710 views

Optimal use of available GPS devices when stranded

There are quite a lot of questions concerning GPS device usage, however I couldn't find any specific information on more passive usage (as in waiting for rescue). Say I have a watch and a phone which ...
9
votes
4answers
130 views

Is Gaia GPS inaccurate for distances?

In a previous question, I had asked for help in finding a GPS app with certain features. That led me to find Gaia GPS and it has been great, no complaints. However, I had a situation recently. I ...
8
votes
2answers
9k views

Transfer data from Suunto Ambit2 without Movelink

I am testing my new Suunto Ambit2. Great watch! I like the way it can be configured and the analysis of the data! However, I am a little bit surprised to see that the software solution from Suunto ...
7
votes
2answers
203 views

How to rate a walk/hike by length, height gain, etc using analysis of GPS data?

I have GPS data for a few hundred walks/hikes/treks. I would like to grade the walks by toughness, say from 1 (easy) to 10 (hard) Is there a mathematical formulae I can use? Just using statistical ...
7
votes
1answer
182 views

Are there any cheap 1:25K electronic maps for the UK or Europe? [closed]

I have looked at offerings from MemoryMap and Anquet, but once you scale beyond a small area they become prohibitively expensive.
6
votes
2answers
694 views

GPS navigation device or app that allows entry of UTM coordinates?

I would like to start being a little more active by getting outdoors more. My state offers a "water guzzler" program that puts water in remote locations for wildlife. They also publish a large atlas ...
5
votes
1answer
117 views

Anti-theft tracking device: how to configure it to deal with the battery?

I'm planning to buy this GPS Tracking device, to place it on my boat. I don't need to track my boat coordinates while sailing. I need to be alerted when my boat is stolen. Therefore, I need this ...
5
votes
1answer
116 views

Taking only the part that I need from OSM to my Garmin

I'm just buying my Garmin and I'm looking for maps for geocaching. I'd like to select Bavaria, or a part of it. Under the link: ...
5
votes
1answer
93 views

I'm a data geek and I want to buy a watch for running, what should I get?

I would like a watch that would give me access to the raw data it records. Not some magic transfer to the cloud where graphs are built on the fly for me. The data-points that I'm interested in are ...
5
votes
1answer
48 views

IOS Map App that creates routes by tracing a path?

I've been using a topo app on the PC for years that lets you, among other things, trace a route on the map with the mouse, then it gives you the distance and height profile for that route (even turns ...
5
votes
2answers
311 views

GPS topo map downloads

I know the USGS and many others offer free downloadable raster topo maps for almost anywhere. But what if I want vector maps using GPS coords? I'm new to GIS but I would assume there is a de facto ...
5
votes
1answer
87 views

Reattaching waterproof rubber on GPS

The black waterproof rubber seal round my Garmin etrex h has just started to peel away, and while not a major issue at the moment I don't really want to use it in the rough when it's waterproofing is ...
4
votes
2answers
818 views

What free/open source maps can I put on my Garmin etrex vista HCX for walking in southern spain?

Are there any maps available that would be useful for walking off-road in southern spain that I can use with my Garmin etrex vista HCX?
4
votes
1answer
95 views

How to record 2-day trek track when Garmin etreX 20 has limitation of 2000 points?

There is a limitation of 2000 points in Garmin etrex 20. I have bought it recently and have not used it for a real trek. As far as I know when you reach the 2000 points limit and want to save it, the ...
4
votes
3answers
429 views

Geocaching or alternative game/activity to learn the basics of GPS navigation in terrain

We are 5 friends on vacation. Each of us has a smartphone but most have no experience with GPS. If we were only 2 or so I would suggest geocaching for getting practice. But with 5 it would just lead ...
4
votes
1answer
102 views

What specific features should I take into account when buying GPS device for Geocaching?

I've been geocaching using Android smartphone, but it slowly becomes unsatisfying. The battery time of Android smartphones is too low, I need to minimize time I'm walking with device on, because ...
4
votes
1answer
38 views

Is it possible to use Suunto Ambit3 R with multiple heart rate monitors?

I have a Mio Link – a sports wristband that can measure heart rate at the wrist and transfer it to a mobile phone or sports watch – and I got a heart rate monitor (HRM) belt that came with my Ambit3R ...
4
votes
1answer
67 views

Where do you get GPS tracks (hikes) for southeast Asia?

I'm trying to find websites providing GPS tracks for southeast Asia. I'm mostly interested in hiking but other activities would also be interesting. So far I only bumped into 2 interesting websites: ...
3
votes
2answers
610 views

Stability and ergonomics of Garmin Etrex 20

I'm thinking of buying Garmin Etrex 20 (or 30) for geocaching purposes. I've read reviews in internet, and after that the issues with ergonomics and stability makes me worry, if that device will be ...
2
votes
0answers
42 views

Programmable handheld/wristworn gps [closed]

I am looking for a small programmable gps unit with a simple LCD display. I want the gps to work in two modes: Display geographic (degrees north and east) position coordinates. Display position on a ...