[time-nuts] Datum 9390 issues & spectracom 8195a woes

[Tammy A Wisdom]

Hi mark & all
It is a 9390-52023 with a LCD & led indicators. I haven't opened it and peeked to see what kind of oscillator is in it yet. I will take a look inside tomorrow. Does anyone know what the part number breaks down too?
Tammy


Sent from my iPhone

On Jun 9, 2013, at 22:40, "Mark C. Stephens" <marks at non-stop.com.au> wrote:

> Hi Tammy,
> 
> 
> The lock indicator on my rather ancient 9390 is one of the decimal points on the LED display.
> is directly connected to the Rubidium and illuminates when the Rubi is in lock.
> On my unit it has no direct correlation with GPS lock.
> 
> Please let us know the postfix on your 9390 (9390-xxxxx) and is a rubidium or crystal oscillator installed?
> 
> 
> -marki
> 
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On Behalf Of Tammy A Wisdom
> Sent: Monday, 10 June 2013 3:16 AM
> To: Discussion of precise time and frequency measurement
> Subject: [time-nuts] Datum 9390 issues & spectracom 8195a woes
> 
> Hi all
> I have a datum 9390 that will pick up GPS and get the date etc but will not go into oscillator lock state. Anyone have any suggestions on this?
> 
> Next up is the spectracom 8195a I have. Allegedly it was working when removed from an American tower site. Sadly it doesn't see any GPS satellites. I'm guessing when it was removed someone cut the antenna coax. It still has 4.5v dc on the antenna port but never sees any satellites. This device uses oncore gps module. Does anyone know if a) if I replace said oncore module will it actually work & b) is there anything goofy they did with the antennas on these units?  & c) is it possible they blew the front end of the oncore?  I'm using a trimble bullet antenna with both devices
> 
> That all said. If you have a working 9390 or 819x gps reciever that you would consider parting with please let me know. I'm trying to put together a ntp server for my collocation facility. 
> 
> Thank you
> Tammy A Wisdom
> 
> 
> Sent from my iPhone
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