This is the same day as my other post, this one recorded with the Navi GT-11.   Navi dropped satellite contact, so missed some of the best runs that were captured with the eTrex.

I have a 2GB card in the Navi so it will hold binary data for 212 days of sailing, with one second recording intervals- quite nice for trips since I won't have to take a computer to download the eTrex memory.  Rechargeable battery is nice also.