> At 11:40 01/11/1999 , you wrote:
> >- Has anyone who bought the $20 GPS units done a master reset and then had
> >successful subsequent operation?
> >- Are there any users in the Southern hemisphere?
> >
> >A friend fired up one of these today and after a little playing sent one of
> >the commands which the $20 GPS site said seemed not to work.
> >After this the unit seemed not to work at all :-)
> >Sending a master reset command still doesn't produce output.
> >
> >The unit reports seeing a number of satellites but all report zero signal
> >level. He theorises that the unit may be "estimating" its start position and
> >deeming all satellites below the horizon as we are in southern hemisphere.
> >I don't know if this is a good explanation.
> >
> >Has anyone else had the unit "go to sleep" on them?
>
> Hmmm.
>
> Zero signal level is curious, but GPS can take a while to download all of
> the almanac data if it has absolutely none, 15 minutes.
>
> Are these Y2K compliant units?
>
The BGMicro(Trimble) units are not compliant for Date except in the binary
mode.