USGlobalSat BU-353 WaterProof WAAS Enabled USB GPS Receiver
Purchased this gizmo for my laptop charting software,the gps works very well, acquires signal fast and accurate.I could not make it work with my software but believe is a glitch with it and not the gps.  However not all is lost as I can still chart the current position on the chart by just transferring manually the lat and long values.  I think is an amazing little wonder and with an appropriate electronic laptop based charting software can easily replaced the more expensive packages offered for nautical us