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Symptoms of water in the coax or connector: Intermittent reception interruption on digital signals, ghosting that changes on analog signals.
From a practical point of view, testing consists of substituting a known good cable. The lab grade test gear needed to check the cable in place, is tens of thousands of dollars.
The specs for Belden 9104 are close to RG-6. But, a variation of tenths of a dB are irrelevant in a real application. I have yet to have any regret for buying coax at the big box home improvement store.
The antenna let's signal in, so I don't care about the extra shielding of quad. In the case of a satellite system that uses an IF (intermediate frequency) in the same frequency range as terrestrial WiFi and microwave systems, I'll pay extra to keep interference out of a closed system like the link between the dish and sat-receiver.
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If the well is dry and you don't see rain on the horizon, you'll need to dig the hole deeper. (If the antenna can't get the job done, an amp won't fix it.)
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Last edited by GroundUrMast; 23-Jul-2012 at 11:17 PM.
Reason: sp.
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