Today's Message Index:
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1. 04:38 AM - Re: GPS Antenna? ()
2. 08:05 AM - Re: GPS Antenna? (kensmith@springnet1.com)
3. 12:59 PM - Re: GPS Antenna? (Mike)
Message 1
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| Subject: | Re: GPS Antenna? |
3/3/2007
Thanks to all that responded. It is indeed a Stormscope antenna made by 3M
back in the days when they were replacing Ryan as the manufacturer of that
equipment.
OC -- The best investment we can make is the effort to gather and understand
knowledge.
----- Original Message -----
From: <bakerocb@cox.net>
Sent: Thursday, March 01, 2007 11:11 PM
Subject: GPS Antenna?
> 3/1/2006
>
> Hello Fellow Listers, I am trying to identify an object on the bottom of
> the fuselage of a Beech Sierra airplane. It is black plastic about the
> size of a cigar box. Embossed on the bottom of the box is an arrow
> pointing forward and the letters 3M.
>
> It was described at one time as a GPS antenna, but that does not make much
> sense to me. Why would a GPS antenna be on the bottom of the fuselage? I
> also am not able to locate any antenna created by 3M.
>
> Any good ideas? Many thanks.
Message 2
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| Subject: | Re: GPS Antenna? |
Could be, Both are about the same physical size.
kensmith@springnet1.com wrote:
> Stormscope Antenna - 3M corporation
>
> Noel Loveys wrote:
>
>>
>>How about RadAlt?
>>
>>Noel
>>
>>
>>
>>
>>
>>>-----Original Message-----
>>>From: owner-avionics-list-server@matronics.com
>>>[mailto:owner-avionics-list-server@matronics.com] On Behalf
>>>Of bakerocb@cox.net
>>>Sent: Friday, March 02, 2007 12:41 AM
>>>To: avionics-list@matronics.com; aeroelectric-list@matronics.com
>>>Subject: Avionics-List: GPS Antenna?
>>>
>>>
>>>
>>>3/1/2006
>>>
>>>Hello Fellow Listers, I am trying to identify an object on
>>>the bottom of the
>>>fuselage of a Beech Sierra airplane. It is black plastic
>>>about the size of a
>>>cigar box. Embossed on the bottom of the box is an arrow
>>>pointing forward
>>>and the letters 3M.
>>>
>>>It was described at one time as a GPS antenna, but that does
>>>not make much
>>>sense to me. Why would a GPS antenna be on the bottom of the
>>>fuselage? I
>>>also am not able to locate any antenna created by 3M.
>>>
>>>Any good ideas? Many thanks.
>>>
>>>OC -- The best investment we can make is the effort to gather
>>>and understand
>>>knowledge.
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
Message 3
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I would guess that it is a storm scope antenna (lighting detector).
Mike Larkin
-----Original Message-----
From: owner-avionics-list-server@matronics.com
[mailto:owner-avionics-list-server@matronics.com] On Behalf Of John
Rippengal
Sent: Friday, March 02, 2007 11:32 PM
Subject: Re: Avionics-List: GPS Antenna?
<j.rippengal@cytanet.com.cy>
I think that needs just a little qualification. Apart from being in a
quiet
RFI location it must also be unscreened from a low frequency RF point of
view.
John
From: "Bruce Gray" <Bruce@glasair.org>
>
> Storm scopes work by receiving the radio energy produced by the
lightning.
> Their antennas emit no energy and thus can be mounted at any RFI quite
> location on the airframe.
>
> Bruce
> www.glasair.org
--
2/8/2007
--
2/8/2007
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