Can I use a hand held GPS as a speedometer replacement for a motorcycle?
Is it acurate and a good brand hand-held GPS to stay Online in the city and open road
A GPS is more accurate at higher speeds, because it triangulates your position to take a couple of seconds to lower speeds to give the correct speed. The mechanical speedometer is more accurate because it works off the interface mechanics on the bike. However, you can use it as an alternative. and yes they are tough enough to use on a motorcycle. Motorcycle GPS: http://www.gpsspecials.com/index.asp?PageAction=VIEWCATS&Category=21 Now for a single use, no. Here's a guide to exercise equipment MOTORCYCLE SAFETY AND EDUCATION. 39-27-16. Speedometer and odometer. Every motorcycle shall be equipped with a good working speedometer and odometer calibrated in miles per hour and miles, respectively, and are fully illuminated when the headlamp is activated. taken form the site DOT PDF here: http://www.dot.nd.gov/docs/motorvehicle/1a_39-27. Added pdf ############ After leaving the army after 24 years I was there when they turned off the Selective Availability (SA) who Idle mode refresh civil and hampered the accuracy of about 32 '. The position calculated by a GPS receiver requires time current position of the satellite and the measured delay of the received signal. The position accuracy depends mainly on the satellite position and signal delay. To measure the delay, the receiver compares the bit sequence received from the satellite with an internally generated version. By comparing the rising and trailing edges of the bit transitions, modern electronics can measure signal offset to within about 1% of a bit time, about 10 nanoseconds the C / A Since GPS signals propagate at the speed of light, which represents an error of about 3 meters. This is the minimum error possible using only the GPS C / A signal. Position accuracy can be improved by using better signal chiprate P (Y). Assuming the same accuracy of 1% of bit time, the high frequency P (Y) signal results in an accuracy of about 30 centimeters. This is optimal, There is interference that can affect the accuracy, weather, etc. … So flagrant interference calculator ie A-GPS is good for 20 " pot. Well, I hope this helps Dan
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