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[time-freq] Efratom GPS Antenna

John Koster w9ddd at tapr.org
Sun Jul 4 22:17:15 UTC 2010

Eric, if you don't get an answer here, there are a couple of other lists 
you might try:



On Sun, 4 Jul 2010, Eric Lemmon wrote:

> I have a new Efratom GPS timing antenna that I hope to use for a
> GPS-disciplined frequency standard.  The antenna itself is a black cone
> about the same shape and size as a disposable 10 ounce foam coffee cup.  The
> base of the antenna has a sticker that reads:  EFRATOM PN 012003-004 GPS
> ANTENNA.  The electrical connection is through a female TNC jack.  The
> antenna is mounted with four screws to the top of an aluminum fixture that
> has a female N connector on its bottom end.  The antenna and fixture, along
> with an Andrew cold-shrink kit and some hardware, are packaged in a foam
> tray that has the part number 104545-001.
> In order to use this antenna without either damaging it or operating it
> inefficiently, I need to know what voltage it is designed to accept.  My
> searches on the Internet have been fruitless.  Can anyone on this list share
> some details about its specs?
> 73, Eric Lemmon WB6FLY
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John, W9DDD

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