[time-nuts] NavSymm - Ericsson GPS Timing Receiver

paul swed paulswedb at gmail.com
Fri Dec 30 10:40:31 EST 2011


Very nice indeed with the opto isolation. I think Stans idea is reasonable.
Since you have no information its worth looking under the hood as they say.
See whats inside as a possible GPS engine. I suspect the optos are bolted
on and you may have access to at least cmos or ttl data signals to work
with.
Save the optos. If you get it working thats a fine way to keep things safe
and I think those are standard LCC sockets. Kind of hard to tell. If true
the cables cheap on the surplus market.
Regards
Paul.
WB8TSL

On Fri, Dec 30, 2011 at 8:41 AM, Stan, W1LE <stanw1le at verizon.net> wrote:

> Hello Al,
>
> I hope you and yours have a Happy New Year.
>
> I would start with the radome removal. Were those screws or pop rivets on
> the edges ?
>
> Hopefully our UK members can assist with documentation.
>
> Stan, W1LE     Cape Cod
>
>
>
> On 12/30/2011 6:54 AM, Alberto di Bene wrote:
>
>> I received as a gift from a friend what looks like a timing GPS
>> antenna integrated with the receiver, with optical links
>> for Rx and Tx (?).
>>
>> This the label on the box :
>>
>> http://dl.dropbox.com/u/**15089947/NavSymm2.jpg<http://dl.dropbox.com/u/15089947/NavSymm2.jpg>
>>
>> And these are the upper and lower sides of the unit :
>>
>> http://dl.dropbox.com/u/**15089947/NavSymm3.jpg<http://dl.dropbox.com/u/15089947/NavSymm3.jpg>
>> http://dl.dropbox.com/u/**15089947/NavSymm1.jpg<http://dl.dropbox.com/u/15089947/NavSymm1.jpg>
>>
>> Does anybody perhaps have a bit more information on this
>> GPS receiver, and possibly suggest a practical use ?
>> For example, would it be feasible to open the unit and recover
>> maybe the 1pps signal, and some sort of data strings ?
>>
>> TIA
>>
>> 73  Alberto  I2PHD
>>
>>
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