[time-nuts] SVN23/PRN32 useable

Rob Kimberley rk at timing-consultants.com
Thu Feb 28 04:59:32 EST 2008


I left my Garmin Quest on overnight, and PRN32 is now listed and tracking. 

Still nothing showing on the HP IPAQ.

Rob K 

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Kiwi Geoff
Sent: 27 February 2008 23:09
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] SVN23/PRN32 useable

Hello All,

So far all my GPS receivers (Motorola GT+, and various Garmin) have
all managed to receive PRN 32 - even though in some cases it took 12
hours for the receivers almanac to be updated to one that has PRN 32
marked as healthy.

However I may have found one GPS that is acting "suspicious" in
regards the PRN 32 issue.

I am pretty sure I have seen someone else in this group mention an AC12 as
per:

http://pro.magellangps.com/en/products/product.asp?PRODID=1003

I have had my AC12 (an otherwise great GPS for doing DGPS down to
centimeters) running continuously for 24 hours, and examining an NMEA
log today, there is zero mention of PRN 32.

Maybe it has been unlucky with an almanac upload or something, but to
me it is a little suspicious after this amount of time.

I am now wondering if the AC12 has an issue in handling a PRN of 32.

Is there anyone else in the group, that has an AC12, and can say if it
can use PRN 32?

Thanks, Kiwi Geoff.
http://www.geocities.com/kiwi_36_nz

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