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" <ma...@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-boun...@febo.com [mailto:time-nuts-boun...@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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