PSN-L Email List Message

Subject: Re: Extending coax on Motorola Oncore GPS antenna
From: apsn apsn@...........
Date: Mon, 22 May 2006 20:49:09 -0800


Thanks, Stephen.

At 05:00 PM 5/22/2006, you wrote:
>Hi,,  I simply clipped the antenna cable close to the antenna and 
>soldered RG58U (what ever the 50 ohm number is), cable to it!   I 
>used a short piece of the RG58 interior insulation and sloped it to 
>match the 174 to cover the solder connection, then folded the 
>outside conductor, from each cable, over it, taped it, and 
>waterproofed it!!  About 10 feet went up the pole where the antenna 
>sits,, about 10 feet went through the attic with about a foot down 
>from the ceiling where it is connected to the GPS, (GPS is still 
>indoors), then about 30 feet of RS232 to the computer!  I use 
>telephone cable and connectors for the GPS power and one second 
>data!  I get strong satellite signals, even with the cable diameter mismatch!
>
>Just my two cents worth of experience!!
>
>  Stephen
>  PSN Station #55
>  near Pilot Hill Ca. USA
>  38.828N  120.979W
>
>apsn wrote:
>>OR, has anyone moved their Motorola Oncore GPS engine and antenna 
>>to a remote spot (waterproofed, of course) and used a long run of 
>>RS-232 cable plus power back to the digitizer board?  This is 
>>similar to what Motorola or Synergy Systems sells in their Timing2000 product.
>>
>>
>>>Date: Mon, 22 May 2006 11:16:49 -0800
>>>To: psn-l@..............
>>>From: apsn 
>>>Subject: Extending coax on Motorola Oncore GPS antenna
>>>
>>>I need to move my GPS antenna (Oncore GPS for WinSDR timing) to a 
>>>location such that I need to add 50' of coax.  What do you suggest 
>>>for coax and where can I find adapters for that tiny right-angle 
>>>MMCX connector?
>>>
>>>Thanks,
>>>
>>>Bob Hammond
>>>Public Seismic Network - Alaska
>>>http://apsn.awcable.com
>>
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>
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