SiRF’s InstantFixII which was announced that week promises to reduce warm start instance to as low as 5 seconds from just by 30 seconds. The new improved technology makes the use of personal navigation devices even suitable for bank robbers allowing them to find the quickest route in their getaway cars.

SiRFInstantFixII accomplishes that using their special patent-pending algorithms that enable GPS navigation systems to predict the behavior GPS satellites during the day and ‘guess’

their position in the sky for up to three days. SiRFInstantFixII continuously refines its calculations based on the latest info it receives from the satellites being tracked every day the PND (personal/portable navigation device) is used. SiRFInstantFixII performs these calculations completely autonomously, without ever needing updates of any kind from a network which means it doesn’t work like A-GPS but promises the same satellite fix times… (more…)

Original post by Tim Robbins