My GT31 did not pick up its SD card today. I have now downloaded the stored data onto the card (it think there's three or four sessions in there) as an SBP file and copied to my PC. What software do I need to pull the data apart and make an SBN file I can upload to KA72?

GPSSpeedReader or GPSResults.

you won't make an SBN file, it will still be sbp

GPS Results seems to have done it. Was pretty obvious where I could select only today's session. Cheers guys!

when you start the gt31 wait until you see 'SD Card Found' on the screen...

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powersloshin said..
when you start the gt31 wait until you see 'SD Card Found' on the screen...

This card is starting to get finicky. Readers are not picking it up sometimes. Time to find a new one.

try and rub the contacts with an eraser