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Thread: Sony GPS-CS1 for geo-coding photos

  1. #1
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    Default Sony GPS-CS1 for geo-coding photos

    I purchased one of the Sony GPS-CS1 units that was introduced a couple of months ago.

    I have given it a try a couple of times now – seems to work fine.

    Basically, you turn the unit on and go shooting (just make sure your camera’s date & time are set correctly). Once you are done, and your photos are loaded on to your PC, you plug in the GPS unit, upload its log file (it records your position every 15 seconds), and it matches the timestamp of your photos to the information recorded in its log. Click one more button and this information is written to the file’s EXIF.

    You can then upload your photos to Panoramio and see them on the map (they use Google’s technology). From what I understand, Flickr also has something similar.

    See http://www.panoramio.com/photo/73125 (...and then "zoom in" on the 'Photo Location' on the right side)

    This was a shot taken Saturday -- the GPS recorded the coordinates about 50 feet or so from her actual location…. I am not sure how accurate they’re supposed to be, but that seemed reasonable.

    When shooting, I hung the unit from my strap – the first time I had used it, I had hung it from my belt, and some of the location readings were incorrect.

    P.S. Shot was taken with my E-1 and Zuiko 500mm Reflex. Using it sure makes you miss autofocus!

    Just wanted to share…..

    JohnK


    P.S. Here is what is recorded in the log file – I think this is one 15 second slice:
    $GPGGA,193511,3352.1599,N,11755.7465,W,1,07,01.3,0 0023.2,M,-031.7,M,,*74
    $GPGSA,A,3,08,11,17,26,27,28,29,,,,,,02.7,01.3,02. 3*0A
    $GPGSV,2,1,07,08,59,099,42,11,24,073,36,17,61,198, 40,26,34,303,52*79
    $GPGSV,2,2,07,27,35,121,35,28,62,009,49,29,40,293, 54,,,,*45
    $GPRMC,193511,A,3352.1599,N,11755.7465,W,001.1,001 .9,281006,,,A*6D $GPVTG,001.9,T,,M,001.1,N,002.1,K,A*06

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    Default Re: Sony GPS-CS1 for geo-coding photos

    What did you pay for it? I suspect that for less or the same $$ you might be able to get a hand-held Garmin unit plus a copy of the RoboGeo software program that might accomplish the same thing but let you use the GPS for location/navigation use as well. Or can you use the Sony unit with laptop or PPC navigation apps?
    ODM
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    Default Re: Sony GPS-CS1 for geo-coding photos

    It was $130 at Amazon (I did not really price shop though...)

    I beleive the Garmin units are a bit more expensive and I am not totally familiar with how they record ongoing data (tho the concept is probably the same). But the unit I has has no other external interface that I am aware of, so a Garmin (etc.) unit might be better if you plan to do more with it.

    Also, my Garmin unit seems to be a little more accurate, but it was also 5x the price.

    I am going to download a copy of RoboGeo and see how it compliments what I have done so far.

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    Default Re: Sony GPS-CS1 for geo-coding photos

    Quote Originally Posted by johnk View Post
    P.S. Here is what is recorded in the log file – I think this is one 15 second slice:
    $GPGGA,193511,3352.1599,N,11755.7465,W,1,07,01.3,0 0023.2,M,-031.7,M,,*74
    $GPGSA,A,3,08,11,17,26,27,28,29,,,,,,02.7,01.3,02. 3*0A
    $GPGSV,2,1,07,08,59,099,42,11,24,073,36,17,61,198, 40,26,34,303,52*79
    $GPGSV,2,2,07,27,35,121,35,28,62,009,49,29,40,293, 54,,,,*45
    $GPRMC,193511,A,3352.1599,N,11755.7465,W,001.1,001 .9,281006,,,A*6D $GPVTG,001.9,T,,M,001.1,N,002.1,K,A*06

    What you've got there is NMEA GPS sentences. That's actually good to see, as it's an open standard (the real kind), compatible with a huge variety of hardware and software.

  5. #5
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    Default Re: Sony GPS-CS1 for geo-coding photos

    Quote Originally Posted by acme View Post
    What you've got there is NMEA GPS sentences. That's actually good to see, as it's an open standard (the real kind), compatible with a huge variety of hardware and software.
    ...like this one (mine)

    Attachment 3047

    I was actually thinking of getting the Sony but I decided not to because I was affraid to be disappointed later. I have a Garmin GPS III Pilot but while it is a good and reliable GPS even for the road if connected to the right stuff, it is about 10 years old now, so I decided to replace that with a better one. I found this one which is easy to connect and use with everything that has Bluetooth, connects to sattelites very fast (cold start about 42 seconds hot start in less than 1 second), WAAS ENGOS is supported so it is very precise. SiRF Star III, 20 channel all-in-view tracking giving superior sensitivity for urban canyon and foliage environment in forests. I was very surprised of it's sensitivity, it tracks inside buildings also in most cases, I can keep it in my pocket while driving and still no problem tracking the road. And a fully charged battery really lasts at least 17 hours, which is a great deal more than my Ipaq 2790 that I use as display. I am very happy with it.

    Please tell us your experience after some use. I am very interested to hear more. Can you use it as a general use GPS or it is just a position logger? How well is it working in forest under the leaves and so on.

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