ScopeClock and GPS

MichaelB

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Mar 24, 2023, 4:41:43 PM3/24/23

to neonixie-l

I have assembled one of the above, but have been unable to get the GPS to work. Has anyone had any luck with this and if so, what GPS receiver did you use? I ordered the recommended one, but received the BU-353N ( supposed the replacement for the no longer available BU-353-S4) and it wont work. Have not been able to get hold of David for help. Wondering if he's on vacation?? Thx in advance

Nicholas Stock

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Mar 24, 2023, 4:50:12 PM3/24/23

to neoni...@googlegroups.com

Hi Michael. I have the BU-353S4 on mine and it is working fine. However, the clock does not display anything until it gets a GPS lock as far as I can tell...

On Fri, Mar 24, 2023 at 1:41 PM MichaelB <badn...@badnixie.com> wrote:

I have assembled one of the above, but have been unable to get the GPS to work. Has anyone had any luck with this and if so, what GPS receiver did you use? I ordered the recommended one, but received the BU-353N ( supposed the replacement for the no longer available BU-353-S4) and it wont work. Have not been able to get hold of David for help. Wondering if he's on vacation?? Thx in advance

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MichaelB

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Mar 24, 2023, 5:29:28 PM3/24/23

to neonixie-l

OK then. There must be something unique about that older puck. Is it the

5Hz version? I notice that one is 115,200 baud vs the more common 4800

Phil

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Mar 25, 2023, 1:54:46 AM3/25/23

to neonixie-l

Hi Michael, I'm also using the BU-353S4 on mine and it's working fine too. I believe that the software that David ships with the clock is looking for a 4800 baud rate with one NEMA message string update per second. Anything else is not going to play well. The code is on github ( SCTVcode/SCTVcode at main · nixiebunny/SCTVcode (github.com) if you want to verify that for yourself.

MichaelB

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Mar 25, 2023, 11:23:09 AM3/25/23

to neonixie-l

Hey Phil, Thx for that. I've located an S4 and so this should fix my problem.

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