---------------------------------------------------------- Avionics-List Digest Archive --- Total Messages Posted Sat 03/03/07: 3 ---------------------------------------------------------- Today's Message Index: ---------------------- 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 _____________________________________ Time: 04:38:19 AM PST US From: Subject: Avionics-List: 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: 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 _____________________________________ Time: 08:05:26 AM PST US From: "kensmith@springnet1.com" Subject: Re: Avionics-List: 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 _____________________________________ Time: 12:59:20 PM PST US From: "Mike" Subject: RE: Avionics-List: GPS Antenna? 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? 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" > > 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 ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message avionics-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Avionics-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/avionics-list Browse Digests http://www.matronics.com/digest/avionics-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.