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spumoni

GPS Video Data Logger SD Lanc Google Earth

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Tunnelfly, I come from the sportbike world where getting data to help me improve my lap times is more important that the video quality. When I started my data logging project, I was going to just save to memory and analyze it later like everyone else, but I thought with would be more interesting and FUN to see where I was on the track when things are happening. During practice track days, after riding a 20 min session, I could go back to the pit and rewind and review and see where I screwed up and what changes I should make before the next session. This really helps because after 3 or 4 sessions, things begin to get fuzzy.

Costyn, those videos were awesome! How did you merge the info? How do you time align the gps data with the video stream? How accurate is the matchup?

Chrisky, I wrote in software the commands to change the data rate of the Antaris chip. I haven't used the u-center app but that does not appear to be the correct options for rate changes. In u-center, see if you can find UBX Binary Protocol input message CFG-RATE, That's the one I'm using. I'm not familiar with the WSG-1000 but it seems like your are not getting enough sats for a good track. I am using a separate active antenna which is more sensitive than passive ones. In software I also enabled WAAS and do obtain differential lock often.

BTW, Ublox also has a new generation of GPSs with 1sec locks - vs 30-40 secs of Antaris 4.

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I like your set up - great work.
I have a the same resolution Bullet Cam (but PAL - from RFConcepts.com) and until recently feed it into my Sony PC100 AV-IN port, also with LANC - It was an O.K set up and I liked the results (nowhere near broiadcast quality - but O,K for personal record).

Now I've ditched the SOny and use an Archos 605 (Solid state) DVR and like this more (except that there is no LANC so I have to switch on and forget - oh well, nothing is perfect.

Any way - good work.

(.)Y(.)
Chivalry is not dead; it only sleeps for want of work to do. - Jerome K Jerome

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