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Post by Marc on Oct 16, 2009 9:38:01 GMT -5
Well
After this last big storm out here on the west side a strange thing has happened.
Before the storm my PDLII had an SWR of about 1.5 on the vertical and 1.3 on the Horizontal.
After the storm(45+ winds and over 1.2 inches of rain) my SWR
has dropped to 1.2 or less on both vertical and horizontal. I am not going to complain but it is a mystery.
All I can think is the vibration during the wind settled something???
There is no mosture in the conectors I checked.
Marc
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Post by cbrown on Oct 16, 2009 12:33:28 GMT -5
Some water *might* have worked its way in between two aluminum pieces that might have oxidation on them, thereby giving you a better connection between the two... Once the antenna 'dries' out, see if your SWR returns to the previous reading.
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Post by Marc on Oct 16, 2009 14:58:32 GMT -5
Thats a thought but this ant has only been up for 4 months.
It was cleaned inside and out with #0000 steel wool.
Marc
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Post by Afterburner(OT-749) on Oct 16, 2009 23:07:05 GMT -5
Here is a thought for those smarter than I. When doing electrical work(120V-440V)... when making connections say to a breaker panel main, we use an anti-corrosive compound at that connection. I do not believe that anything really prevents corrosion, but this stuff ssslllllloooooowwwwwwssss it down dramatically. It does not interfere with tha actual connection(bonding) of the components. Here is my question, has anyone ever used it when assembeling say a Moonraker 4 at the hub/element connection or at the coax/gamma match connection and if so what were the results?
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PtownBubba
Ratchet Jaw
Kevin Harvick #29 : Micheal Waltrip #55: Dale Jarrett #44
Posts: 51
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Post by PtownBubba on Oct 17, 2009 17:32:41 GMT -5
I have used all kinds of grease,,, Penetrox, may be a brand name of what you are talking about,, but 'some' seems to dry out and get hard. Recently I have used this DOW CORNING 111 clear grease that we used with underground high voltage [ 7.2k ] cable splices and connections. It is suppose to displace moisture and/or fill any air gaps inside the splice cover. Anything from bulldozer batteries to camera batteries can get that lil' crusty stuff,,, [ oxidation] so I use grease on everything,,,, even simple wheel bearing grease,,,, smear it on your vehicle battery post, and battery clamp,, then put it together,, it will work fine and you never see any crusty stuff. You can use Vaseline on small electronic device batteries,, camera, ipods, flashlights,, power mics, etc,,,, no effect on performance,, at least none for me.
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