6.5 GPS speed source?
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Road Master
Joined: Jan 2015
Posts: 1,057
Likes: 10
From: SF Bay area
6.5 GPS speed source?
Anyone know where the GPS gets it's speed reading from? Is it the satellite like a normal car GPS or from the bike's speed sensor?
Reason I ask is that my GPS and speedometer are EXACTLY the same reading, at all speeds. Seems odd to me they wouldn't differ just a bit unless they are using the same signal.
Reason I ask is that my GPS and speedometer are EXACTLY the same reading, at all speeds. Seems odd to me they wouldn't differ just a bit unless they are using the same signal.
Thread Starter
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Road Master
Joined: Jan 2015
Posts: 1,057
Likes: 10
From: SF Bay area
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Road Warrior
Joined: Jul 2013
Posts: 1,624
Likes: 13
From: Fort Worth
Yes, it is the speed sensor like other's said. I used my power vision and ran the speedo correction way down and way up and the gps speed stays about with the bikes speed.
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Beyond that, I believe it may use the speed signal to calculate arrival time & time to turn options? Disabling that speed signal input may cause those functions to produce errors? IDK, just seems that's how it works, since we know the speed display comes from the vehicle speed sensor & NOT from a GPS calculated speed...