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Adding an antenna to improve on the ground reception?

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DCS317(at)aol.com
Guest

Posted: Fri Jan 01, 2010 2:56 pm Post subject: Adding an antenna to improve on the ground reception?

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



  [quote][b]

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edleg

Joined: 11 Jun 2009
Posts: 14

Posted: Fri Jan 01, 2010 10:00 pm Post subject: Re: Adding an antenna to improve on the ground reception?

You could use an antenna switch (vhf) to choose/select top or bottom antenna. Check with your local ham radio store, or do a "google" search for same. It would add maybe a pound or two to your comm installation with the switch, extra cabling and antenna.



-Ed-

KD6UBY

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jim-bean(at)att.net
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Posted: Sat Jan 02, 2010 11:12 am Post subject: Adding an antenna to improve on the ground reception?

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jim-bean(at)att.net
Guest

Posted: Sun Jan 03, 2010 1:43 pm Post subject: Adding an antenna to improve on the ground reception?

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 cable

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

shoulder 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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al38kit

Joined: 13 Jul 2009
Posts: 21

Posted: Sun Jan 03, 2010 4:40 pm Post subject: Re: Adding an antenna to improve on the ground reception?

Put one radio on the new antenna that points up.

Forget about the switch.

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al38kit

Joined: 13 Jul 2009
Posts: 21

Posted: Sat Jan 09, 2010 5:57 am Post subject: Re: Adding an antenna to improve on the ground reception?

IFR DEPARTURE

􀂃 Expedite Your IFR Clearance. Use the new FS21 dedicated IFR

Clearance Delivery Telephone Number (888-766-8267) when

departing IFR from a non-towered airport that does not have a

remote communication frequency.

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