On Mon, Mar 31, 2008 at 8:44 PM, Marius Gedminas <marius at pov.lt> wrote: > On Mon, Mar 31, 2008 at 10:45:00AM -0700, Andrew Daviel wrote: > > On Mon, 31 Mar 2008, Frederic Crozat wrote: > > > > > Once you get the almanac downloaded, fix time can be shorter (5 > > > minutes to 10 minutes in bad conditions). And if you got a fix in the > > > > Any idea where the almanac is stored ? In the GPS chip itself ? Does it > > survive power-down or dead battery ? I gather it's a Texas device > > (GPS5300) with not a lot of info on the Web (contact TI if you're a > > cellphone maker wanting millions of the things, hobbyists need not > > apply). The 2-page teaser suggests that it communicates over a serial > > bus, maybe native NMEA0183. > ... > > > - I'm curious. What time-to-first-fix are people experiencing ? > > 3-4 minutes. > > My GlobalSat BT-308 (SiRF StarII) gets the fix in 1-2 minutes in the > same conditions, which is (a) better, (b) still disappointing. > > Both are pretty much useless when walking around on foot in the city. Hmm, quite strange, I don't have any issue when walking by foot, either in Paris or Bruxelles. -- Frederic Crozat