Questions referring to GPS and how it relates to bikes, typically from a navigation and location tracking standpoint.

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8
votes
2answers
469 views

What is the best way to track your mileage, routes and calories burned?

Recently I got a new cyclocross bike and now I am daily commuting around 25km (not much, but daily) and I am trying to calculate my diet, calories etc. Now I am wondering if there is a good device ...
14
votes
2answers
20k views

How can I merge two GPX files into one?

On a recent ride, my GPS stopped functioning about half way through. From other sources I have approximate times for the missing data and I know the route, so (in principle, though I'm really not sure ...
8
votes
6answers
6k views

Is it possible to estimate road grade while riding?

It would be nice to be able to estimate the grade of a road while riding, even if the estimate is not completely accurate. With a GPS, in theory it should be possible in theory to ride a short ...
5
votes
4answers
257 views

Merge gpx files

How can I merge two GPX files into one? Read the above link but my gpx files do not seem to have this in them: Copy all the stuff between Open the second GPX file in a text editor. Copy all the ...
4
votes
2answers
1k views

What options do I have to charge my GPS and Phone using a dynamo hub?

I'm planning to purchase a supernova infinity-8 dynamo hub and wanted to use this during daylight hours to charge my Phone and GPS during bike tours. What products are available that will work with ...
11
votes
1answer
569 views

Usage experience with anti-theft GPS trackers

Does anybody have any actual experience with anti-theft GPS trackers like BikeSpy? Their website looks terribly unprofessional and there are only very few testimonies online, but the idea is ...
2
votes
4answers
4k views

Edit gps recorded track

I'm using Garmin Fit for my phone. On a long ride my phone went out of power and didn't manage to record the last of the track. I've uploaded the first part of the ride to Garmin Connect and can ...
9
votes
9answers
15k views

Can Garmin Edge 500/510 and 800/810 be charged while riding?

Extended battery life is very neccesary for using the device on long brevets and multi-day endurance racing. Can Garmin Edge cycling GPS units 500/510 and 800/810 be charged while riding via external ...
6
votes
4answers
3k views

How can I fix bad elevation data in a GPS log?

Lately I have been doing my bike rides with a GPS logger, and its elevation recording is extremely erratic and thus unusable. Please see: http://gpsloglabs.com/share/...
9
votes
7answers
11k views

Repurpose old android phone (without cell phone plan) as cycle computer with GPS tracking?

I upgraded my cell phone and now have a Droid X2 without cell service that I'm not using for anything. Can I utilize my old Droid X2 phone (or any android phone without a cell phone plan) as a basic ...
8
votes
3answers
963 views

Should I wait for clear views of the sky before turning on my Garmin Edge GPS?

I have a Garmin Edge 200 GPS unit. I commute from the center of Melbourne CBD, where there are many tall buildings and not a good line of sight to satellites. I park in an underground garage, so there ...
4
votes
2answers
1k views

GPS bike tracking (locks)

I have seen a few GPS devices either in the backlight or unside the seat tube which you can track if you lose your bike (your bike gets stolen). What do you think about this stuff. Is it worth the ...
3
votes
5answers
2k views

How accurate is the 'calories burned' figure on my GPS device?

I use the Garmin Edge 200 to record the route, distance and speed of my rides. It also gives me a prediction of the amount of calories I have burned on any particular ride. The only data I have ...
2
votes
4answers
409 views

Affordable GPS with maps?

I have my eye on the Garmin 800. It looks fantastic, but alas I can't afford it right now. I would like a gps / cycle computer that would work well in Europe with maps. What are my options? I want ...
0
votes
3answers
2k views

Calorie burn information is dramatically different between Strava IOS App and Cyclemeter IOS app. Which is more accurate?

I use Cyclemeter to track rides on my iPhone 6, then when the ride is over, I send the info to Strava. When I look at the ride in Strava the calculated Calories burned for a 17 mile 90 minute ride is ~...