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nuckollsr(at)cox.net
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 Posted: Tue Jan 30, 2007 7:17 am Post subject: Sharing ship's COMM antenna with the hand-held |
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| Quote: |
I want to split the signal from my COMM antenna so I can plug
in a handheld when necessary. Can you tell me what type of
splitter I need, and possibly where to find one? BandC doesn't
seem to carry them.
|
The least expensive and most reliable means by which you
can share the airplane's external antenna with a hand
held is to route the COMM antenna cable through the
cockpit such that a pair of connectors . . .
http://www.aeroelectric.com/Pictures/Connectors/crimpcf.jpg
http://www.aeroelectric.com/Pictures/Connectors/s605cm.jpg
come together within easy reach of the pilot. Coil up
some excess length on the ANTENNA SIDE pigtail and make sure
this piece of coax has the cable male connector on it.
If the panel mounted radio becomes unavailable to you,
open this joint and bring the antenna pigtail up to the hand
held. You'll also find it useful to use TWO right angle
adapters . . .
http://tinyurl.com/2u3qzy
. . . on the end of this pigtail.
The coax can now pass up the back side of your hand
held and make a 180-degree u-turn to mate with the radio's
BNC connector at the top.
Bob . . .
----------------------------------------
( IF one wishes to be "world class" at )
( anything, what ever you do must be )
( exercised EVERY day . . . )
( R. L. Nuckolls III )
----------------------------------------
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bakerocb
Joined: 15 Jan 2006
Posts: 727
Location: FAIRFAX VA
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| Posted: Wed Jan 31, 2007 6:57 pm Post subject: Sharing ship's COMM antenna with the hand-held |
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1/31/2007
It will cost more and you won't have as much "roll your own satisfaction",
but the IC-ANT-SB from ICOM is another way to skin this cat. See this web
page.
http://www.edmo.com/index.php?module=products&func=display&prod_id=19280&cat_id=
This has been mentioned previously on the list. Check with a local avionics
shop to purchase or GOOGLE IC-ANT-SB for a catalog seller.
OC -- The best investment we will ever make is in gathering knowledge.
Time: 07:17:51 AM PST US
From: "Robert L. Nuckolls, III" <nuckollsr(at)cox.net>
Subject: AeroElectric-List: Sharing ship's COMM antenna with the hand-held
| Quote: | I want to split the signal from my COMM antenna so I can plug
in a handheld when necessary. Can you tell me what type of
splitter I need, and possibly where to find one? BandC doesn't
seem to carry them.
|
The least expensive and most reliable means by which you
can share the airplane's external antenna with a hand
held is to route the COMM antenna cable through the
cockpit such that a pair of connectors . . .
http://www.aeroelectric.com/Pictures/Connectors/crimpcf.jpg
http://www.aeroelectric.com/Pictures/Connectors/s605cm.jpg
come together within easy reach of the pilot. Coil up
some excess length on the ANTENNA SIDE pigtail and make sure
this piece of coax has the cable male connector on it.
If the panel mounted radio becomes unavailable to you,
open this joint and bring the antenna pigtail up to the hand
held. You'll also find it useful to use TWO right angle
adapters . . .
http://tinyurl.com/2u3qzy
. . . on the end of this pigtail.
The coax can now pass up the back side of your hand
held and make a 180-degree u-turn to mate with the radio's
BNC connector at the top.
Bob . . .
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trigo(at)mail.telepac.pt
Guest
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| Posted: Sun Feb 04, 2007 4:14 am Post subject: Sharing ship's COMM antenna with the hand-held |
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With so many different opinions about that little ICOM mixer box, and Bob
N.'s new bad opinion about his own box, I am glad to have decided to install
2 antennas: one in the upper fuselage skin, exclusively dedicated to my
panel mounted COMM, and the other in the belly, exclusively for the hand
held.
And it's not so obvious that my solution is heavier than the
sole-antenna-with-mixer-and-adapters one ... After all, I needed some weight
behind the baggage compartment ...
OK, there's also the aesthetic and aerodynamics issues of two sticks
protruding from the bird ...
Carlos
RV-9A, still wiring
---
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BobsV35B(at)aol.com
Guest
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| Posted: Sun Feb 04, 2007 7:05 am Post subject: Sharing ship's COMM antenna with the hand-held |
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In a message dated 2/4/2007 6:16:28 A.M. Central Standard Time, trigo(at)mail.telepac.pt writes:
| Quote: | With so many different opinions about that little ICOM mixer box, and Bob
N.'s new bad opinion about his own box, I am glad to have decided to install
2 antennas: one in the upper fuselage skin, exclusively dedicated to my
panel mounted COMM, and the other in the belly, exclusively for the hand
held.
And it's not so obvious that my solution is heavier than the
sole-antenna-with-mixer-and-adapters one ... After all, I needed some weight
behind the baggage compartment ...
OK, there's also the aesthetic and aerodynamics issues of two sticks
protruding from the bird ...
Carlos
RV-9A, still wiring
|
Good Morning Carlos,
Many years ago in a land far, far away, I was a fairly active participant in the competitive glider flying scene.
Many of my friends used a hole in the belly through which they shoved an antenna when they wanted to use their radio. I tried it a few times and it seemed to work OK. For competitive flying, the hole was covered with a hunk of two hundred mile per hour white racing tape (otherwise known as 3M electrical tape.)
Do Not Archive
Happy Skies,
Old Bob
AKA
Bob Siegfried
Ancient Aviator
Stearman N3977A
Brookeridge Air Park LL22
Downers Grove, IL 60516
630 985-8503
[quote][b]
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trigo(at)mail.telepac.pt
Guest
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| Posted: Sun Feb 04, 2007 9:43 am Post subject: Sharing ship's COMM antenna with the hand-held |
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Hi Old Bob
Good Afternoon ( 4h30 p.m.) from where I am.
The solution you pointed out is another possibility, good for competition, but a little messy if you are having problems with your panel COMM in a heavy traffic situation.
By the way, since I am very close with aeronautical competition (I'm involved with to 2 FAI Sports Commissions) I am curious where and when did you compete in glider flying?
Carlos
[quote] ---
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BobsV35B(at)aol.com
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| Posted: Sun Feb 04, 2007 1:36 pm Post subject: Sharing ship's COMM antenna with the hand-held |
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In a message dated 2/4/2007 11:45:56 A.M. Central Standard Time, trigo(at)mail.telepac.pt writes:
| Quote: | By the way, since I am very close with aeronautical competition (I'm involved with to 2 FAI Sports Commissions) I am curious where and when did you compete in glider flying?
|
Good Afternoon Trigo,
I was not a competitor. I operated a glider flight school and was a Schweizer dealer. My duties included flight instruction and I was an FAA Designated Pilot Examiner for gliders. I generally served as support crew or as a crew member to a competitor and did, on one occasion, serve as Contest Director when no one else could be conned into doing so.
The time frame was from about 1958 to 1975. I still belong to a local glider club, but do not fly there often.
Do Not Archive
Happy Skies,
Old Bob
AKA
Bob Siegfried
Ancient Aviator
Stearman N3977A
Brookeridge Air Park LL22
Downers Grove, IL 60516
630 985-8503
[quote][b]
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