[RCSE] Rubber Duck Antenna

2006-01-31 Thread David Register

From: Ron Quintana [EMAIL PROTECTED]
Subject: [RCSE] Power/Rubber Duck

Anyone had any experience using  these in place of the OEM telescoping 
antenna?

Yes. ~ 10 years with Futaba Txs (7UGFS and 9C). Haven't had a 'hit' yet.

Is the range loss significant?

No.

Only problems I've seen are the same as with OEM systems - receiver antenna 
positioning especially in carbon/kevlar environments. Out of sight range with 
3M ships. Good low altitude control with DLGs. Particularly useful (for me) 
with DLGs - helps prevent 'bent antenna' syndrome.

There is some loss of signal but not enough to affect range in any way I've 
seen. Antenna lobe pattern is different but more favorable for pointing the Tx 
at the plane.

Be aware that since these are not OEM, a CD can disallow their use - but I've 
not seen that rule invoked over the years.

For the 9C, there's an installation article in the Feb, 2003 RCSD.

- Dave R 



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[RCSE] Rubber Duck Antenna Pattern

2006-01-31 Thread David Register
Field test of a Rubber Duck vs a whip on page 6 of this newsletter. Keep 
in mind that our normal Tx grip has us pointing the antenna at the plane 
most of the time.


http://www.propstoppers.org/pdf_files/june04.pdf

- Dave R
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[RCSE] Rubber Duck Antenna?

2002-11-18 Thread Sheldon
Has anyone used a Rubber Duck Antenna with the MPX Profi series of radios? I
know the range will be somewhat reduced. I've range checked my Profi with
the standard antenna collapsed and got 135 paces (appx 300'). When the
weather clears I'm going to check it with a Duck and see what the range
is...

TIA,

-Sheldon-
YNT uDesign

A Supporter of the 2002 Soaring Nationals

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Re: [RCSE] Rubber Duck antenna range

2000-08-05 Thread YK Chan

Please help me to understand what relationship of Vision, Stylus, Tom
Overton antenna to a Ducky? Was that an antenna comparison test of
same TX or TX comparison test of same Ducky? Or both?
YK
Seattle
- Original Message -
From: Jim Thomas [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Saturday, August 05, 2000 7:37 AM
Subject: [RCSE] Rubber Duck antenna range


 I have seen the submission by YK Chan, and agree with the idea.  I
have
 done essentially the same thing with all new installations (first a
 Vision, then a Stylus).  What I did involved a friend who stayed
with
 the plane and had either a CB radio or a cell phone.  By picking a
long
 straight road, I then drove away with the transmitter, actuating one
of
 the channels (rudder or elevator) and leaving the other for a
stability
 indicator.  When I got the extreme end of useful range my helper let
me
 know.  I then backed up until the signal was again strong and
stable.

 When I tested my Vision with a Tom Overton antenna in 1991, I got
1.1
 miles of useful range along an unobstructed country road in Indiana.
 When I tested my Stylus with the same antenna in Feb. 1995, I got
1.25
 miles of useful range along a road in Seattle, that happened to have
 high tension electric towers alongside the same road.

 These tests were good enough for me, and I have used the antenna
 successfully on everything from HL to XC.  In fact, I have never had
the
 whip antenna on the Stylus since I developed the adapter to connect
the
 antenna to the ball mount (just prior to the test above).  I guess
 others must agree, I have sold over 200 of those adapters to Stylus
 owners that were tired of the whips.

 Jim Thomas (Stylus Adapter Boy)

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