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Right now I am at 159 hours of riding time on the battery which came with my GSC-10. Garmin's stated battery life for the GSC-10 is 1.4 years at one hour of riding per day which works out to 511 hours. (See page 51 of the Edge 500's Owner Manual) On the interweb I've come across two different suspected causes for low battery life on the GSC-10: Some ...

You will obviously be able to get this from your trackpoints, but it can be useful (depending on the frequency of collection of trackpoints) to take speed - directly from your front wheel tacho if possible. This just gives you a higher degree of accuracy. Other nice to haves: accelerometer input - both fore-and-aft, and left-and-right - these can give a ...

I've had my GSC 10 since 2008. I used to get about 1 to 2 months out of name brand CR2032 batteries, but have since switched to Harbor Freight batteries. I get about 4 to 6 weeks out of these (a four pack of these costs about the same as a single name brand battery). Like you said, it all depends on your riding habits and environment though. The above is ...

Pressure sensor / altimeter. http://www.meas-spec.com/pressure-sensors/board-level-pressure-sensors/altimeter-pressure-sensor-modules.aspx The best one of their sensors can detect a change in elevation of 10 cm. I2C interface. These are really great. Bosch makes a sensor with similar quality. Of course the most interesting and most difficult to measure ...

Curiously, I've been tinkering with GPS data analysis (taken from some multi-kilometer randonnees, gpx format). Since you have the 4D trajectory (latitude, longidude, elevation and timestamp), you could theoretically get any derivative or combination of it. For example, currently I am calculating, for each pair of consecutive points in the trajectory: ...

The main compartment of most handlebar bags waterproof when closed. Better models have pockets to keep passports dry. There are also plenty of models on the market that have padding for cameras and lenses. The brand most synonymous with waterproofing is Ortlieb. They make handlebar bags and camera kit inserts for them. There are plenty of other makes on the ...

My experience with the GSC10 (though with an Edge 305 not a 500) has been that the batteries last 6 to 12 months, or roughly 2500 to 5000 miles of riding. That works out to something like 125 to 250 hours of operation. That is considerably less than what is stated in the manual, but in the ballpark of what the other two answerers experienced. The ...

Let me tell you from experience what doesn't work: Putting a cell phone in a the pocket of a "waterproof" jacket. I lost a phone that way, and another one saw the light at the end of a foggy, damp tunnel before returning back to life. If you are able to, turn gadgets you are carrying off. Having electricity flow through the system just increases the ...

I have quite thorough experience, the solution is like this: Once I carried also a camera and 4 lens (one of them 500mm) this way... When you go to tropical destinations, it is much harder because you also have to protect your electronics from condensated humidity. That's another story for another answer. Just ask if it's the case.

When I'm touring ("unloaded") I carry two moderate-sized panniers which end up being about half-full. In addition to rain gear in both, one contains snacks, my daily medications, and other odds and ends. The other mostly carries my full-sized camera, stuck in a large plastic bag if the weather is threatening. My phone (turned off) is in a small plastic ...