Questions tagged [gps]

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

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Garmin watch with vs without maps

I'm looking to get a new Garmin wristwatch. Broadly, I'm looking at the Garmin Instinct 2/solar and the fenix 6. Neglecting the price differential, the main difference seems to be that the fenix has 1....
ahron's user avatar
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1 vote
3 answers
307 views

Good open source Android GPS apps showing topographic lines and remote roads in the US?

Are there any good open-source Android GPS apps that show topographic contour lines and remote roads, with labels for both? Something OpenStreetMap-based would be ideal, so I can add missing roads. I'...
Someone's user avatar
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0 answers
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How do I copy a track (GPX) from Garmin Explore to GPSMap 66?

I have imported a track (GPX) into the Garmin Explore application on my Android smartphone, and paired the smartphone with my GPSMap 66s (by first pairing with Garmin Connect, then with Garmin Explore)...
gerrit's user avatar
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17 votes
9 answers
7k views

Are there any GPS devices with no transmission capability?

I thought about it for both privacy and energy saving. A GPS after all needs only to receive the signal and check the cached map, I also remember that until few years ago car sat/nav could not ...
FluidCode's user avatar
  • 721
3 votes
3 answers
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Do Garmin satellite map devices allow me to feed them coordinates from a CSV or JSON file or similar?

I may buy a Garmin satellite map thing at some point. But if I do, it's an absolute requirement for me that it will allow me to feed it some sort of list of GPS coordinates with labels, such as ...
Fridlund's user avatar
2 votes
1 answer
874 views

Given a GPS coordinate, can you get the elevation?

I was doing some hiking today and climbed into a gully of sorts. It seemed pretty deep and I'm curious how deep relative to the surrounding land. It'd be cool if I could just plug in arbitrary GPS ...
neubert's user avatar
  • 725
3 votes
3 answers
236 views

Are there any affordable, dedicated (one-purpose) handheld GPS receivers with nice satellite maps?

I don't have a smartphone, or any phone, and specifically don't want to have one for many important reasons. However, I do wish that I had some sort of map where I get to see where I am currently, ...
Daman Meskell's user avatar
18 votes
5 answers
7k views

Can I record my route electronically when underground?

Portions of a hike I did recently involved me going through tunnels that had some twists and turns. How would these work with an app like AllTrails or another GPS tracker? As I understand it, assisted ...
neubert's user avatar
  • 725
12 votes
4 answers
3k views

Should I buy a GPS to calculate elevation gain/loss?

I have minimal experience but i am considering getting certified by the ACMG (Association of Canadian Mountain Guides) in the far future. It says i need hikes with a minimum of 700 m elevation gain/...
sam's user avatar
  • 129
4 votes
3 answers
208 views

How can I find a GPS unit that can display north at the top at all times?

When cycling, and increasingly when hiking, I use a bike computer GPS app on my phone, but my phone is no longer waterproof, so I'm thinking of a dedicated GPS device. However I'm picky, and having ...
Chris H's user avatar
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-2 votes
1 answer
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Locate old GPS watches via GPS?

There are many old (and maybe more recent) watches that use GPS to track speed, distance, etc. but do not charge any sort of periodic fee for this. Is there any way to locate these using GPS if they ...
capet's user avatar
  • 183
7 votes
1 answer
135 views

Where can I find resources to find user-contributed GPS tracks?

For trip planning and navigation during my outdoors trip, I would like to load a track into my GPS (or GNSS) receiver. Where can I find websites that gather user-contributed GPS tracks?
gerrit's user avatar
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7 votes
2 answers
4k views

E-ink device with GPS for maps?

I've been using various map apps with offline storage on my smartphone(s) for several years now. The main problem with them is the battery drain. I've searched for e-ink devices with GPS but only ...
JollyJoker's user avatar
5 votes
3 answers
1k views

Systematic and random error of GPS or barometric altimeter. How to optimally use GPSMAP 66s?

A barometric altimeter is supposed to be more accurate than a GPS altimeter in the relative sense (total ascent, total descent, during stable weather), but may have considerable error in the absolute ...
gerrit's user avatar
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2 votes
3 answers
254 views

Navigation device with offline maps and GPX support

I have a subscription service from komoot for maps. Is there any GPS device that supports offline maps and GPX, preferably with android OS integration. Example scenario would be: Use an android based ...
goldfinch's user avatar
7 votes
2 answers
4k views

Is the Battery Life of the Garmin InReach Mini enough for a 2 week trip?

I am going hiking for 2-3 weeks with no possibility of charging the battery again. Assuming I only turn the InReach on only once a day to send a "I'm ok"-message and then turn it off again, would the ...
user5227744's user avatar
11 votes
1 answer
444 views

Help me interface these two nautical devices

I'm crew on a boat (wooden 8.5m from 1973) which has a GPS and a tiller pilot that seem to work fine separately, but don't seem to want to talk to one-another. My captain is adamant this combination "...
KlaymenDK's user avatar
  • 211
9 votes
2 answers
572 views

Any actions to take with GPS rollover?

For those of you who haven't noticed, your GPS may have become a time traveler this week. Background The GPS system was invented in the 1980s and uses an epoch of Jan 1, 1980 as the starting point ...
Sherwood Botsford's user avatar
3 votes
1 answer
829 views

Is it possible to delete Geocaches from a Garmin etrex without plugging it into the computer?

My GPS (Garmin extrex 20) will not connect to my computer anymore (via USB), and therefore I cannot access the GPX folder of the device where Geocaches are saved. As a solution, I would like to save ...
Stockfisch's user avatar
5 votes
1 answer
653 views

What does the Garmin GPSMAP 66 "SOS beacon" function do?

According to the Garmin website, the Garmin GPSmap 66 includes an SOS beacon: These devices include an LED flashlight and SOS beacon that can be used to signal for help. They are thin on details, ...
gerrit's user avatar
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6 votes
3 answers
1k views

How best to hold/aim a Garmin InReach for satellite messaging?

On a recent camping trip, I was having great difficulty sending messages with a Garmin InReach. I was in a woods with a moderately thick canopy overhead, but next to a small river so I could step out ...
Dr Marble's user avatar
  • 161
5 votes
3 answers
222 views

Looking for a simple gps tracker with long battery life [closed]

I like to track the path when I cycling or hiking (e.g. this). Now I use my phone for this purpose which is totally inconvenient because of the battery. So, I looking for something which can track my ...
kharandziuk's user avatar
52 votes
8 answers
11k views

How can I get a GPS location for this tree on a distant hillside?

I want to hike to the base of this tree (circled in red in the photo). That's a hillside full of full grown trees beneath it, and it looks like over a full tree's height sticking up above the other ...
jdmcnair's user avatar
  • 623
5 votes
0 answers
154 views

GPS data management software

Is there any good software to manage GPS tracks and POI efficiently that you would recommend? My dream would be an offline computer based (macOS and Windows) software, with a modern GUI, which allows ...
Giomsen's user avatar
  • 920
7 votes
4 answers
980 views

Geocaching: How important is having a dedicated GPS device instead of a smartphone?

I'm thinking about getting into geocaching with my girlfriend, as it sounds like an activity that we'd both enjoy a lot. However I really don't think that I want to buy a dedicated GPS device if at ...
fgysin's user avatar
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8 votes
3 answers
357 views

GPS Altitude Anomalies

On a recent run which crosses the Humber Bridge my GPS watch seems quite confused by my altitude as I crossed the bridge, as if there is an 8m shear drop half way with the south side being lower. You ...
David Spillett's user avatar
8 votes
5 answers
3k views

Device with very accurate GPS location

I've already read this and this to get some background knowledge on GPS tools, but I'm still left with some questions: Is there any way I can get a device that consistently provides accuracy to ...
AegisCruiser's user avatar
9 votes
2 answers
5k views

Is there a mobile app to easily send a SMS message with coordinates?

A couple years ago I have traveled to rather remote areas alone on multi-day hikes and the cell phone coverage was poor. During my hike I wanted to let someone know about my progress (the tracking was ...
Vince's user avatar
  • 653
10 votes
3 answers
3k views

When considering GPS battery life where are the best options?

I believe the 3 main options for portable GPS currently are: Dedicated GPS unit Smart Phone GPS Watch They all have somethings in common, and each have other considerations also. For this question,...
James Jenkins's user avatar
3 votes
0 answers
70 views

GPS unit for road cycling and mountaineering [closed]

I am looking for a GPS device for road cycling (road navigation and gpx tracking) and mountaineering (topo maps, compass, barometric elevation / pressure). I am finding no products explicitly marketed ...
Bennet's user avatar
  • 223
5 votes
1 answer
92 views

Garmin Etrex 10

I just got an etrex 10, and I am using it mostly for geocaching. When you are navigating to a geocache is there a way to see your distance from the cache? I know the geocaching app has this.
jqueryguy67's user avatar
10 votes
4 answers
3k 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 ...
Unknown Coder's user avatar
5 votes
1 answer
1k 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 ...
Thunk's user avatar
  • 153
4 votes
1 answer
331 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 ...
inf3rno's user avatar
  • 141
1 vote
0 answers
96 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 ...
Andy's user avatar
  • 119
4 votes
1 answer
105 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: ...
Adriano's user avatar
  • 149
13 votes
8 answers
8k 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 ...
Eric's user avatar
  • 2,138
4 votes
1 answer
293 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 ...
Alireza's user avatar
  • 867
10 votes
5 answers
987 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 ...
G.Rassovsky's user avatar
7 votes
2 answers
880 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 ...
Andrew Murphy's user avatar
8 votes
2 answers
2k 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 ...
Unknown Coder's user avatar
23 votes
8 answers
11k 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 ...
Nate Eldredge's user avatar
7 votes
1 answer
268 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 ...
aneuryzm's user avatar
  • 635
6 votes
1 answer
161 views

How long is the battery life of a GPS tracker, when used to detect motion only?

I was looking at GPS Trackers such as Spark Nano 4.0. I wanted to apply one of these devices inside my boat to exclusively use it for motion detection in case of theft. The battery life of this ...
aneuryzm's user avatar
  • 635
8 votes
2 answers
246 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: User: Computerteddy (Wiki). I've found the map for the whole Germany, ...
Danubian Sailor's user avatar
3 votes
2 answers
762 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 ...
Danubian Sailor's user avatar
9 votes
1 answer
351 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 ...
Danubian Sailor's user avatar
5 votes
3 answers
3k 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?
Andrew Welch's user avatar
  • 1,327
5 votes
1 answer
163 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 (...
Paul Irofti's user avatar
  • 1,559
5 votes
3 answers
618 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 ...
user829755's user avatar