[time-nuts] Lucent KS-24361, HP/Symmetricom Z3809A, Z3810A, Z3811A, Z3812A GPSDO system

Tom Miller tmiller11147 at verizon.net
Thu Oct 30 15:51:27 EDT 2014


The fault light will come on until both oscillators have locked. It takes a 
long while, at least on mine.

I think it needs to establish the position before everything is stable.



----- Original Message ----- 
From: "Anthony Roby" <aroby at antamy.com>
To: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
Sent: Thursday, October 30, 2014 3:24 PM
Subject: Re: [time-nuts] Lucent KS-24361, HP/Symmetricom Z3809A, 
Z3810A,Z3811A, Z3812A GPSDO system


> I'm still having no luck with mine.  When I power on, the LEDs cycle, the 
> Fault light is on and the No GPS and Standby lights flash.  When I connect 
> my GPS antenna, the No GPS light stops flashing and stays on.  After 
> several minutes only the Standby light is on.
>
> When I connect both the Ref1 and Ref0 together with the interface cable, 
> the Fault lights on both units are illuminated.
>
> Do you see the same?   I don't know what to infer from the Fault light 
> since there is no supplemental data to work from.
>
> Anthony
>
> -----Original Message-----
> From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of Bill 
> Riches
> Sent: Wednesday, October 29, 2014 4:10 PM
> To: 'Discussion of precise time and frequency measurement'
> Subject: Re: [time-nuts] Lucent KS-24361, HP/Symmetricom Z3809A, Z3810A, 
> Z3811A, Z3812A GPSDO system
>
> My system arrived today in original unopened boxes.  Hooked up 24 volts 
> and a gps antenna and it locked in about an hour and 10 MHZ output as 
> compared with thunderbolt GPS seems to be working just great.  No trace 
> movement on scope using thunderbolt as trigger and looking at Lucent 10 
> MHZ output.
> Strange output pulse!  Looking forward to 10 MHZ sine wave output mod that 
> the gurus on the list will discover.
>
> Wonder what these units cost new when they were built?
>
> 73,
>
> Bill, WA2DVU
> Cape May, NJ
>
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