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Locating Transponder Antenna on top of the fuselage instead of under it.



 
 
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  #1  
Old December 29th 19, 06:27 AM posted to rec.aviation.soaring
Darryl Ramm
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Default Locating Transponder Antenna on top of the fuselage instead ofunder it.

On Saturday, December 28, 2019 at 9:23:02 PM UTC-8, wrote:
Well here is a link to a picture of a Ventus with the transponder antenna located as per Schempp Hirth.
Seems to work well only is straight flight. In any banking flight, the antenna is shadowed by the fuselage and/or wings.
Maybe a location on the turtledeck is better ?

https://www.airliners.net/photo/-/Sc...HgcaJ1/QJ2lC9A

Dan


Thanks for the photo, ouch yep that looks like a dopey position, if above is the only other practical option I'd do that.
  #2  
Old December 30th 19, 05:36 AM posted to rec.aviation.soaring
GliderCZ
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Default Locating Transponder Antenna on top of the fuselage instead ofunder it.

On Saturday, December 28, 2019 at 10:27:43 PM UTC-8, Darryl Ramm wrote:
On Saturday, December 28, 2019 at 9:23:02 PM UTC-8, wrote:
Well here is a link to a picture of a Ventus with the transponder antenna located as per Schempp Hirth.
Seems to work well only is straight flight. In any banking flight, the antenna is shadowed by the fuselage and/or wings.
Maybe a location on the turtledeck is better ?

https://www.airliners.net/photo/-/Sc...HgcaJ1/QJ2lC9A

Dan


Thanks for the photo, ouch yep that looks like a dopey position, if above is the only other practical option I'd do that.


I've got a Ventus 2c with a flexible antenna positioned exactly like that, per SH recommendations, and have passed a dozen ADS-B checks in the last year, with lots of low altitude yanking and banking.
  #3  
Old December 30th 19, 05:47 AM posted to rec.aviation.soaring
[email protected]
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Default Locating Transponder Antenna on top of the fuselage instead ofunder it.

Do you have the Blade type antenna or the cylinder/ball one ?
Thanks, Dan
  #4  
Old December 30th 19, 06:06 AM posted to rec.aviation.soaring
GliderCZ
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Posts: 28
Default Locating Transponder Antenna on top of the fuselage instead ofunder it.

On Sunday, December 29, 2019 at 9:47:45 PM UTC-8, wrote:
Do you have the Blade type antenna or the cylinder/ball one ?
Thanks, Dan


Flexible, similar to the one linked (not HpH branded, as far as I know).
https://wingsandwheels.com/hph-trans...r-antenna.html
 




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