[time-nuts] Best location for a GPS antenna...?

jmfranke jmfranke at cox.net
Thu Apr 12 16:32:27 UTC 2012


I meant to type GPS repeaters not GPS receivers

John  WA4WDL

--------------------------------------------------
From: "jmfranke" <jmfranke at cox.net>
Sent: Thursday, April 12, 2012 12:28 PM
To: <time-nuts at febo.com>
Subject: Re: [time-nuts] Best location for a GPS antenna...?

> You must read:
> http://transition.fcc.gov/eb/Orders/2005/DA-05-2998A1.html
>
> Which discusses a FCC complaint with Navtech for selling GPS receivers.
> An exert is presented below:
>
>
>     ``Please note: re-radiation kits are currently only
>     available for purchase to International Customers and in
>     cases where the U.S. Government is the end user.''
>
>
>     Pursuant to Section 15.201(b) of the Rules, 47 C.F.R. §
> 15.201(b), intentional radiators must be authorized in accordance
> with the FCC's certification procedures prior to the initiation
> of marketing in the United States.  However, GPS re-radiators
> operate within the restricted frequency bands listed in Section
> 15.205(a) of the Rules, 47 C.F.R. § 15.205(a).4  Thus, GPS re-
> radiators cannot comply with the FCC's technical standards and
> therefore cannot be certificated or marketed for use by the
> general public or non-federal government entities.  Accordingly,
> it appears that Navtech has violated Section 302(b) of the Act
> and Sections 2.803 and 15.205(a) of the Rules by marketing in the
> United States radio frequency devices that are not eligible to
> receive a grant of certification.
>
>     You should be aware that the Commission has recently
> addressed a Petition for Rulemaking and a Request for Waiver
> seeking amendment of FCC regulations to permit the marketing of
> GPS re-radiation kits.5   By Order released July 6, 2005, the
> FCC's Office of Engineering and Technology (OET) denied the
> Petition for Rulemaking and Request for Waiver.6  OET noted that
> the Petition raised significant issues that needed further study
> and therefore did not warrant consideration at the time.
> Accordingly, Navtech is reminded that at this time GPS re-
> radiating devices are not permitted to be sold to the general
> public or to state or local governments.
>
> John  WA4WDL
>
>
>
> --------------------------------------------------
> From: "Jim Lux" <jimlux at earthlink.net>
> Sent: Thursday, April 12, 2012 9:51 AM
> To: <time-nuts at febo.com>
> Subject: Re: [time-nuts] Best location for a GPS antenna...?
>
>> On 4/12/12 2:09 AM, Rob Kimberley wrote:
>>> There are commercial "re-radiators" for GPS.  I found these on Google:
>>>
>>> <http://www.gps-repeating.com/?gclid=COTV88D6rq8CFcwTfAodhSKvmQ>
>>> <http://gpsnetworking.com/GPS-re-radiating-kits.asp>
>>>
>>>
>>> One of my old suppliers in the UK was marketing a range of these, but I 
>>> seem
>>> to remember some problem in getting approval in the UK, and they had to 
>>> drop
>>> them. Things may have changed as this was a few years ago.
>
>
>
>
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