[time-nuts] week 1024 roll over

Roy Phillips phill.r1 at btinternet.com
Fri Apr 18 15:53:25 EDT 2008

Many thanks for your advice on the "Roll-over Factor", I will attempt this 
as soon as I'm back in working condition !. You never know when the hit will 
take place - shortly after making my claim to fame with Odetics 325  - the 
whole system shut down !!  It would appear to be a SWMP Supply problem - I 
gather this is a regular fault with this item (it had been sitting on a 
shelf for the past 5 years!).  I will make my way into this box tomorrow, 
but fixing faults with this type of PSU are not as easy as a good old linear 


----- Original Message ----- 
From: "Bruce Lane" <kyrrin at bluefeathertech.com>
To: <time-nuts at febo.com>
Sent: Friday, April 18, 2008 2:41 PM
Subject: Re: [time-nuts] week 1024 roll over

> Hi, gang,
> *********** REPLY SEPARATOR  ***********
> On 18-Apr-08 at 09:32 Roy Phillips wrote:
>>Interesting to hear your problems with the Datum - I have the same problem
>>with an Odetics 325 - my date is the same , currently Sept 02,1988, but I
>>pleased to tell you that it has no effect on the performance of the
>>equipment. I have the correct time and a GDOP of 1.8 and  TFOM=4 .
> <snippage>
> Roy, I don't know which receiver you have in there, but I do happen to 
> have late-issue firmware for the 325 that converts it to a 425. It may or 
> may not help with the date problem.
> If you have the capability to program EPROM chips, and a few blank parts, 
> you can grab the archive from my FTP site as follows.
> Site & port: ftp.bluefeathertech.com, use port 50021 instead of the 
> default 21.
> Login: Use the login name ftp and whatever password you want (though I 
> prefer an E-mail address for logging purposes).
> Path: /electronics/radio/GPS/clocks/Odetics/firmware
> You will also find, in that same general area, a .PDF copy of the manual 
> supplement for update.
> Happy tweaking.
> -=-=-=-=-=-=-=-=-=-=-=-
> Bruce Lane, Owner & Head Hardware Heavy,
> Blue Feather Technologies -- http://www.bluefeathertech.com
> kyrrin (at) bluefeathertech do/t c=o=m
> "Quid Malmborg in Plano..."
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