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[aprssig] Compatible GPS for waypoint upload?

Curt, WE7U archer at eskimo.com
Tue Jun 12 19:57:42 UTC 2007


On Tue, 12 Jun 2007, Jason Winningham wrote:

> > Perhaps we need a table like:
> >
> >   MODEL  NMEA-OUT  NMEA-IN  SENSITIVE-GPS
> >   -----  --------  -------  -------------
>
>
> Is there a less subjective measure of sensitivity, like number of
> channels?  Are the super-sensitive models the new 20 channel receivers?

I don't think it's a number-of-channels issue.  They seem to be able
to receive at lower S/N ratios.  Perhaps they have additional
channels as well, I don't know.  I agree that it'd be good to get
real values in the table so that we can cover additional "good
things" that might come up in the future, as well as not get older
units classified in the category I listed.

I remember going from the Garmin 1-channel multiplexed between 8
satellite units to the 12-channel parallel units.  This new jump in
capability with the SiRF chipsets appears to be of a similar nature
in usuability, if you can believe the nice things people are saying
aobut them.


> I mean, compared to the old Trimble 6 channel in my truck, pretty
> much any other receiver seems super sensitive. |:

I still have some Trimble SV6 boards...

--
Curt, WE7U.   APRS Client Comparisons: http://www.eskimo.com/~archer
"Lotto:    A tax on people who are bad at math." -- unknown
"Windows:  Microsoft's tax on computer illiterates." -- WE7U
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