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Author Topic: Do antennas need to be "exercised"?  (Read 1117 times)

Bob Faulkner

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Do antennas need to be "exercised"?
« on: March 10, 2017, 08:12:59 pm »

So, I picked up a couple of the Sennheiser EW100 G3 wireless mic/receiver sets.  Also, I picked up the add-ons that bring the antennas to the front of the rack.

When attaching (and removing) the antennas -- to/from the BNC connectors -- the antennas are very tight.  So tight, I can't spin the antennas to move them out of the way so they can flipped up "correctly" in the rack.

Any suggestions on how to loosen the antennas?  Seems like they need a little oil on them (though, I don't think this would be wise!)  Do they need to be exercised?
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Keith Broughton

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Re: Do antennas need to be "exercised"?
« Reply #1 on: March 11, 2017, 06:24:02 am »

So, I picked up a couple of the Sennheiser EW100 G3 wireless mic/receiver sets.  Also, I picked up the add-ons that bring the antennas to the front of the rack.

When attaching (and removing) the antennas -- to/from the BNC connectors -- the antennas are very tight.  So tight, I can't spin the antennas to move them out of the way so they can flipped up "correctly" in the rack.

Any suggestions on how to loosen the antennas?  Seems like they need a little oil on them (though, I don't think this would be wise!)  Do they need to be exercised?
Antenna sometimes need to be exorcised as they can be possessed by RF demons that cause drop outs and audio problems.
Sorry...I couldn't resist. ;D ;D
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Bob Faulkner

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Re: Do antennas need to be "exercised"?
« Reply #2 on: March 12, 2017, 04:51:20 pm »

Yeah -- i know!  I walked right into this one!

Any thoughts?  Would it be safe to put a light film of silicone (spray) around the connecting areas?

I'm trying to avoid using tools to take the antennas off and on.

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Keith Broughton

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Re: Do antennas need to be "exercised"?
« Reply #3 on: March 13, 2017, 07:00:19 am »

Yeah -- i know!  I walked right into this one!

Any thoughts?  Would it be safe to put a light film of silicone (spray) around the connecting areas?

I'm trying to avoid using tools to take the antennas off and on.
I don't think a light lubrication would hurt the RF performance.
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Karl Winkler

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Re: Do antennas need to be "exercised"?
« Reply #4 on: March 14, 2017, 11:07:24 am »

I don't think a light lubrication would hurt the RF performance.

I wouldn't put anything on them that might act as a dielectric... If you MUST put something on them, use silver conductive grease, perhaps a tiny amount. Make sure that it does not get anywhere but the outside of the female connector.

Usually they loosen up with a little use - I would just count on that after a few weeks/months.
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Karl Winkler

Lectrosonics, Inc.

James A. Griffin

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Re: Do antennas need to be "exercised"?
« Reply #5 on: April 20, 2017, 11:25:41 am »

My EW100 antennae nearly always need to be tightened, never loosened.   Wondering what you're doing right - or wrong, depending on POV
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I need to determine where in this swamp of unbalanced formulas squatteth the Toad of Truth
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