Wednesday, June 3, 2009

RaceChrono V1.25 Beta1 S60V3 S60V5

RaceChrono is a GPS based lap timing software for Nokia Series 60 smart phones. It can be used to measure lap times on almost any vehicle and track. It can be used to measure laptimes for example for motorbikes, bicycles, cars, water jets and quadbikes.
The main feature is of course the Live Timer, which shows your lap- and sector-times in real-time. Also included are a scalable graphical display of traveled path, satellite reception display, speedometer and a compass. When you're back at the pits, you can also browse through your lap and sector times, or view your trap speeds. Or maybe analyze your laps by graphs of time, speed and altitude compared to any another lap.
All lap timing sessions are logged, and the results can be viewed afterwards. The raw NMEA-output from the GPS is also saved, so you can use that in other compatible software if you wish.
And yes, there's always the question of accuracy when it comes to timing anything. After extensive testing, we feel really confident on RaceChrono's accuracy. Our tests together with commercial lap timers have showed an accuracy of between +- 0.03-0.10 seconds with a cheap 5 Hz receiver. Switching to an ordinary 1 Hz SirfStar3 receiver RaceChrono was still very accurate - on the level of +- 0.10-0.15 seconds. Keep in mind however that accuracy is fully dependent on the quality of your GPS receiver and signal reception.
Note that if the signal from the satellites is too weak, your lap times can be inaccurate and in worst case you can even miss some laps. So take care to position your receiver properly on your dash close to the windshield, or maybe even outside the car! Use the satellite reception display to help you find the best location in your car.
You can download tracks from the RaceChrono software itself; by selecting Track profiles > Options > Download new. Just copy the downloaded file to /RaceChrono/Tracks/ on your memory card.
Change log for v1.25 beta1:
Using same code branch with WM version(user interface with improved touchscreen suppot).
User defined performance tests (Performance Tests > Options > Create new)New pre-defined performance tests 0-60mph, 0-100mph and 60-160kph.
Sessions are now loaded from all storages. If you have copied same session to many storages, you may want to delete duplicates.
New sessions are still saved to the selected storage.Tracks are now loaded from all storages.
If you have same track in many storages, the one on your selected storage is loaded.
New tracks are still saved to the selected storage.
When deleting tracks, user not anymore prompted to delete sessions.
Traps can now be added from Browse traps view
Now possible to edit session note in lap view
Fixed: Speed and bearing reading is now generated if GPS does not report them
Fixed: Acceleration testing problems for Samsung InnoV8 internal GPS
Fixed: Imported G2extreme session bearings
Fixed: Invalid default track if it has been deleted
Fixed: “Traveled route > Export” was showing too many scope options for Performance Testing and Data Logging sessions
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