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Offline Stumpyone

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Radio aerial
« on: December 03, 2014, 10:16:50 pm »
Hi guys,

Funny thing....while I had the front end in pieces fitting a zumo 590 (nice price of kit by the way), I noticed that at the base of the aerial on my SE there is a black stub which in inspection is a long thread at the base of the aerial. I can't see any wires that would indicate that there actual aerial wire attached to the aerial!

Has anyone else seen this?

Mark
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Offline DonTom

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Re: Radio aerial
« Reply #1 on: December 04, 2014, 01:55:46 am »
*Originally Posted by Stumpyone [+]
Hi guys,

Funny thing....while I had the front end in pieces fitting a zumo 590 (nice price of kit by the way), I noticed that at the base of the aerial on my SE there is a black stub which in inspection is a long thread at the base of the aerial. I can't see any wires that would indicate that there actual aerial wire attached to the aerial!

Has anyone else seen this?

Mark
Myself being a retired radio technician, you got me curious so I  checked my TTSE antenna and saw nothing unusual.

Look at the coaxial cable that is to the left of the base nut just under the plastic, but before the very  bottom of the antenna. The longer thinner wire is the ground for the coaxial cable, the thicker part has  the center conductor that goes to the antenna. The antenna itself has no ground and does not need such. Only the ends of the coax needs to be grounded, which it is. But the bottom of the base of the antenna  where this nut is located, might look like a ground connection, but it is not. That is the "hot" lead to the antenna.

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Offline Stumpyone

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Re: Radio aerial
« Reply #2 on: December 04, 2014, 07:11:29 am »
Cheers DonTom. I'll have another look.

Mark
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Offline RocketSteve

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Re: Radio aerial
« Reply #3 on: December 04, 2014, 04:18:02 pm »
This worried me for a minute... thankfully we have a fantastic line of professionals here, ready & waiting to offer quick & easy answers :002:

 :460:

While on this subject, I've noticed this aerial does flap around if positioned anywhere other than it's rear most setting. Not a show stopper though.
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Offline atrophy

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Re: Radio aerial
« Reply #4 on: December 05, 2014, 10:11:13 am »
"I've noticed this aerial does flap around if positioned anywhere other than it's rear most setting"

I did not know there were settings for the aerial.
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Offline azgman

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Re: Radio aerial
« Reply #5 on: December 05, 2014, 01:52:40 pm »
I have found that I needed to move the antenna slightly forward of the rearmost position and slightly to the outside to achieve perfect harmonic bliss when blasting down the freeway. It used to oscillate like crazy as it was set from the dealer and now is barely moves at all.
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Offline Stumpyone

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Re: Radio aerial
« Reply #6 on: December 05, 2014, 04:28:13 pm »
hi guys,

not really seen any flapping but am touring in Wales this weekend so will keep an eye out for that as I will be exploring the throttle range of the bike!!!!!  Know what I mean!. Easy enough to adjust that while away from home base!!!

Cheers

Stumpyone
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Offline triucati

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Re: Radio aerial
« Reply #7 on: December 05, 2014, 07:20:11 pm »
*Originally Posted by RocketSteve [+]

While on this subject, I've noticed this aerial does flap around if positioned anywhere other than it's rear most setting. Not a show stopper though.

Weird, I have experienced the complete opposite.  With antenna in the most rearward position, it flops around like a fish out of water.   But in the most forward position, no flopping.
Fyi:  I have the cal-sci shorty windshield.