PSN-L Email List Message

Subject: RE: Extending coax on Motorola Oncore GPS antenna
From: apsn apsn@...........
Date: Sat, 27 May 2006 17:50:31 -0800


Hi all,

I extended my GPS antenna cable today using two 50 ft sections of 
very old ratty RG-8 I found in my stuff and coupled them together 
with a PL-259 bullet.  I've got an MMCX to BNC to PL-259 on the 
receiver end and a PL-259 to BNC on the antenna end!  All satellite 
signal strengths are 35 and above.  I am amazed I got any signal 
strength at all.

Maybe I'll try some garden hose next.

thanks for all the input,

Bob
Public Seismic Network - Alaska
http://apsn.awcable.com


At 04:32 PM 5/23/2006, you wrote:
>I have had NO problem extending my GPS antenna 50 feet using a low-loss
>cable the size of RG59.  Also I have found all kinds of coax fittings on
>eBay -- most for a song.
>
>Jan Marshall
>Nampa, Idaho, USA
>jandmarshall@............
>
>
>
>
>-----Original Message-----
>From: psn-l-request@.............. [mailto:psn-l-request@...............
>On Behalf Of apsn
>Sent: Tuesday, May 23, 2006 4:19 PM
>To: psn-l@..............
>Subject: Re: Extending coax on Motorola Oncore GPS antenna
>
>
>Thanks everyone for your ideas.  I have lots of shielded cable for a
>serial connection and don't want to buy LMR600 low loss coax at a $1+ a
>foot!
>
>Bob
>
>At 10:46 AM 5/23/2006, you wrote:
> >In a message dated 22/05/2006, apsn@........... writes:
> >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?
> >
> >Hi Bob,
> >
> >     Do you have to extend the aerial co-ax at all? Can you not site
> > the aerial + receiver remotely and extend the cable connecting it
> > to the computer?
> >     The problems of RS232 connection are likely to be minimal up to
> > 50 m. Hi grade low loss UHF cable tends to be expensive. I note
> > that the web suppliers tend only to sell cable by the 100ft minimum.
> >
> >     Regards,
> >
> >     Chris Chapman
> >
>
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>
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>
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