[time-nuts] Truetime dc 468 goes sat rcvr simulator basics working

paul swed paulswedb at gmail.com
Mon Dec 6 21:38:17 UTC 2010


I am using a hocky puck unit

On Mon, Dec 6, 2010 at 4:35 PM, Bill Hawkins <bill at iaxs.net> wrote:

> There are also a lot of GPS hockey pucks that send the NMEA codes
> to map software in a laptop that are rapidly becoming obsolete.
> NMEA is adequate for the 468 display.
>
> Have three of them, to go with three NIB (except for the manual)
> DC 468 receivers. Don't need any of them.
>
> Bill Hawkins
>
>
> -----Original Message-----
> From: paul swed
> Sent: Monday, December 06, 2010 3:13 PM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] Truetime dc 468 goes sat rcvr simulator basics
> working
>
> Justin,
> I might think quite a few time Nuts have these.
> So making progress have build a gps sat message decoder for the GPRMC
> sentence that gives time and data. I believe most GPS units put that
> sentence out. Have it decoding time and next is date. Maybe tonight.
> Then I have to glue this code into the simulator to set the clock.
> Next will be a update subroutine which is quite tricky as to how the
> updates
> done.
>
>
>
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