1 Second Fix With New GPS Ublox-5 Chip

By D Dunbar in GPS. February 3, 2007

u-blox have announced a new GPS chip, called u-blox 5, which will be launched at the 3GSM later this month. This new chip boasts an amazing 1 second TTFF (Time to first fix), high sensitivity at -160 dBm and very low power consumption at under 50mW.

ublox 5
ublox 5

The 1 second TTFF is of particular interest as it is much quicker than the current fastest, the SiRf Star III at around 30 seconds.

Possibly even more exciting than the speedy TTFF is that the u-blox will be Galileo compatible from day one.

"As soon as Galileo signals become available, our receivers will be able to simultaneously receive and track these signals too, via a simple software upgrade."

The benefits that Galileo signals will bring are as follows:

* Better coverage from more satellites
* Higher positioning accuracy
* Better multipath mitigation
* Higher overall reliability and availability
* Software upgrade upon deployment of Galileo system by the EU

Galileo is the EU and the European Space Agency's alternative to the US run GPS and promises to provide a higher precision to all users than is currently available.

Ublox Messages

Tomtom One can i buy a chip with the maps of spain for my uk map tomtom one. if so who stocks this product.Posted by AndyMay 13, 2007 1sec Ttff? So what's the catch? does it do a 1sec TTFF the moment I put battery in and power it up? or I have to download a bunch of craps then turn it on?Posted by Whatthehell@yahoo.comFebruary 21, 2007 Indoor Gps Lots of reasons. A vehicle with no windows? coach, back of van, locked in a boot etc. or maybe you're stuck in a tent somewhere remote. That said my SirfStar 3 PDA (mio 350) does a good job of picking up sats inside, as long as I'm near a window. Posted by DbFebruary 3, 2007 Re:ublox Sensitivity Indoor GPS? But Why?Posted by DaveFebruary 3, 2007 Ublox Sensitivity 'high sensitivity at -160 dBm'?

What's the current sensitivity of Sirf Star? Will we ever be able to receive signals from indoors?
Posted by PeteFebruary 3, 2007
Galileo Galileo is still years away from public use, 2010 I think. so plenty of time for SiRF Star to catch up Posted by GpsnutterFebruary 3, 2007
View All Messages


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