the receiver work as publish . after a ` cold ' start get a good fix be immediate to 5 seconds . I use this with a Samsung netbook for navigation on a recent trip . I would use the machine , then hibernate the machine . a hour or so latter I would wake up the machine and the GPS would already have satellite lock before the machine would be ready -lrb- 15 seconds -rrb- . the satellite memory would last a hour or two without power . a ` cold ' start take about 30 seconds . once about every 5 ` cold ' start the receiver would give up and never get a lock . however once a lock be achieve the receiver work flawlessly . as long as I give it power ever hour or two it would keep the lock .