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AeroElectric-List: Adding an antenna to improve on the groun

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jim-bean(at)att.net
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Posted: Sun Jan 03, 2010 1:43 pm Post subject: AeroElectric-List: Adding an antenna to improve on the groun

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jim-bean(at)att.net
Guest

Posted: Sun Jan 03, 2010 1:56 pm Post subject: AeroElectric-List: Adding an antenna to improve on the groun

Problem:  On the ground at KAWO (non-towered  airport) I can't get Seattle 

      Center (and my IFR clearance) because of my RV-8  belly-mounted comm       antenna.  (In a high wing trainer, this is not a  problem.)  I have a 

bubble       canopy--can I add an antenna within my canopy to the existing belly 

antenna with

      a 

       combiner/splitter to my comm receiver and achieve better reception on the 

      ground  without degrading my in the air reception/transmission?  Ground       plane  problem with this setup? I can't easily place another antenna on 

the top

      

      fuselage.  Suggestions?

      

      Don Schmiesing

  I have an antenna on my RV-8 slider which works pretty well. It is on the number 

2 comm.I riveted an aluminum sheet to the aft end of the slider for a ground plane. The 

cablegoes to the front of the slider. The front of the slider is about as far in 

front of theshoulder harness bracket when closed as it is in back of it when open, so a loop 

from the

slider to the bracket works well. The whip goes through the canopy with a rubber 

grommet.

I have some pictures but they won't get through the list.

Jim Bean

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martin(at)gbonline.com
Guest

Posted: Tue Jan 05, 2010 3:48 pm Post subject: AeroElectric-List: Adding an antenna to improve on the groun

Don et all,

Ten years ago when I finished my RV8,,I experienced similar problems.  After 

tryiing  various different fixes, I finally gave up and got out my wallet 

and bought a Dorne & Margolin  high quality antenna and mounted it on the 

bottom of my RV8.  Well I could not believe the difference in performance 

both on the ground and in the air.  In the air I can transmit and receive 

more than 100 miles clearly. Also the drag co-efficient  is less than 1 

knot.

Good luck.

Dick Martin

RV8 N233M

the fast one

---

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Jerry Grimmonpre'

Joined: 09 Jan 2006
Posts: 144
Location: Huntley, Illinois 60142

Posted: Tue Jan 05, 2010 4:22 pm Post subject: AeroElectric-List: Adding an antenna to improve on the groun

Dick,



Are you referring to the Dorne & Margolin vhf com antenna P/N DM C70-1  a 

straight stick antenna?



Thanks ... Jerry



 	  Quote: 	
		   



 Don et all,

 Ten years ago when I finished my RV8,,I experienced similar problems. 

 After tryiing  various different fixes, I finally gave up and got out my 

 wallet and bought a Dorne & Margolin  high quality antenna and mounted it 

 on the bottom of my RV8.  Well I could not believe the difference in 

 performance both on the ground and in the air.  In the air I can transmit 

 and receive more than 100 miles clearly. Also the drag co-efficient  is 

 less than 1 knot.

 Good luck.

 Dick Martin

 RV8 N233M

 the fast one

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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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