HTC Touch HD - aGPS??

[eden188]

Can anyone confirm if the HTC Touch HD has aGPS please? I have seen mix a few websites that states it has, but HTC's website only state GPS.

Thanks in advance

[Salazaar]

Originally Posted by eden188

Can anyone confirm if the HTC Touch HD has aGPS please? I have seen mix a few websites that states it has, but HTC's website only state GPS.

Thanks in advance

I can confirm that the Touch Diamond does... I would presume that the HD follows on from that.

[eden188]

Thanks for the reply.

[SiM]

What's the difference?

[Salazaar]

Originally Posted by SiM

What's the difference?

GPS only uses satellites which, depending on conditions, can take quite a few seconds to get a lock and can sometimes be patchy in poor conditions. aGPS uses the cell network to assist in pinpointing your location and improve performance.

[dangel]

It also uses an ephemeris file from t'internet to get tragetory info in satellites for a particular day which speeds up getting an initial fix.

[SiM]

Cool. Interesting to know that. Cheers, guys.

[digit]

Originally Posted by dangel

It also uses an ephemeris file from t'internet to get tragetory info in satellites for a particular day which speeds up getting an initial fix.

Is that the name given to the file that quick gps downloads?

[Salazaar]

Originally Posted by digit

Is that the name given to the file that quick gps downloads?

Pinched from Wikipedia...

An ephemeris (plural: ephemerides; from the Greek word ἐφήμερος ephemeros "daily") is a table of values that gives the positions of astronomical objects in the sky at a given time or times. Different kinds are used for astronomy and astrology. Even though this was also one of the first applications of mechanical computers, an ephemeris will still often be a simple printed table.

[h0rk]

i have the touch diamond and i must say the GPS in it is flakey as hell, sometimes taking a minute to get a lock, sometimes it wont lock at all. the advice i have seen on this is tio disable incoming beams and turn off bluetooth. this helped me slightly and i hope it can help others, but i cant rely on it as my main GPS device... id be sitting in the car for ages waiting to set off to get to work

on the other hand, when it does work it is fantastic, with the va screen making tomtom look much better than on my tomtom branded GPS device in my car.

[badass]

Originally Posted by h0rk

i have the touch diamond and i must say the GPS in it is flakey as hell, sometimes taking a minute to get a lock, sometimes it wont lock at all. the advice i have seen on this is tio disable incoming beams and turn off bluetooth. this helped me slightly and i hope it can help others, but i cant rely on it as my main GPS device... id be sitting in the car for ages waiting to set off to get to work

on the other hand, when it does work it is fantastic, with the va screen making tomtom look much better than on my tomtom branded GPS device in my car.

Touch Diamonds are known for being utterly useless for GPS.
Some have theorised its actually related to overheating. I suppose someone needs to stick one that's unrelaible in the fridge overnight and see how well it works immediately after.