I'm taking a 2003 Johnson 70 from Miami to Nantucket and I took my HelmCam along. We're running the ditch, currently in Charleston, a leisurely delivery with the owner and guests
teh webcam refreshes every 10 seconds and the ATT connection has been pretty reliable so far.
the webcam page is located at
http://www.sandbarhopper.com/webcam.html
I also have a GPS hooked up with live tracking on Google Earth or Maps, the KML file is updated every minute.
http://www.sandbarhopper.com/helmcam.kml
open it in Google earth or paste it in the search box of Google Maps.