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vft(at)aol.com Guest
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Posted: Sat Jan 06, 2007 4:19 pm Post subject: Garmin XM and GPS antennas |
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Does anyine have any experience running the Garmin 396/496 XM antenna next to the external GPS antenna. I'm planning on mounting them just underneth my glare shield (glare shield is fiber glass). Rockets have pretty small glare shields so this would put the antennas pretty close to each other. A second antenna from a Garmin 250 would be very close as well.
Danny Melnik
F1 #25
Melbourne (FL) Rocket Factory
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Larry Bowen
Joined: 09 Jan 2006 Posts: 802 Location: NC, USA
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Posted: Sat Jan 06, 2007 8:21 pm Post subject: Garmin XM and GPS antennas |
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Yes. Two XM and one GPS right next to eachother. No problems observed.
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Larry Bowen, RV-8, RV-7...
Larry(at)BowenAero.com
http://BowenAero.com
[quote] From: vft(at)aol.com [mailto:vft(at)aol.com]
Sent: Saturday, January 06, 2007 7:19 PM
To: rocket-list(at)matronics.com; rv-list(at)matronics.com
Subject: RV-List: Garmin XM and GPS antennas
Does anyine have any experience running the Garmin 396/496 XM antenna next to the external GPS antenna. I'm planning on mounting them just underneth my glare shield (glare shield is fiber glass). Rockets have pretty small glare shields so this would put the antennas pretty close to each other. A second antenna from a Garmin 250 would be very close as well.
Danny Melnik
F1 #25
Melbourne (FL) Rocket Factory
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href="http://www.matronics.com/Navigator?RV-List">http://www.matronics.com/Navigator?RV-List
href="http://forums.matronics.com">http://forums.matronics.com
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_________________ Larry Bowen
RV-8 SOLD,
RV-7QB in progress... |
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Doug Gray
Joined: 10 Jan 2006 Posts: 112 Location: Sydney, Australia
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Posted: Sat Jan 06, 2007 10:01 pm Post subject: Garmin XM and GPS antennas |
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Minimum separation between antennas should be one quarter of the longest
wavelength. For 2.5Ghz this is approx 31.5mm or 1-1/4 inches.
Doug Gray
On Sat, 2007-01-06 at 19:18 -0500, vft(at)aol.com wrote:
Quote: | Does anyine have any experience running the Garmin 396/496 XM antenna
next to the external GPS antenna. I'm planning on mounting them
just underneth my glare shield (glare shield is fiber glass). Rockets
have pretty small glare shields so this would put the antennas pretty
close to each other. A second antenna from a Garmin 250 would be very
close as well.
Danny Melnik
F1 #25
Melbourne (FL) Rocket Factory
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lors01(at)msn.com Guest
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Posted: Sun Jan 07, 2007 7:40 am Post subject: Garmin XM and GPS antennas |
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<?xml:namespace prefix="v" /><?xml:namespace prefix="o" /><![endif]--> They are separate in my plane but sit side by side when on the road (in car) and see no problems.
Tracy Crook
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