[Boatanchors] Re: [Hallicrafters] Re: Dipole antenna

[Gary Schafer]

Ground would go on the "station" side of the coil.
Don't confuse a drip loop with a coil. The drip loop serves an entirely 
different purpose.

Actually sometimes a coil in the cable is not desirable. It can act as 
an antenna and greatly increase EMP coupling into the cable.

73
Gary  K4FMX


George KB2Z wrote:
> 
> Vern,
> Would the coax ground be on the antenna or station side of the coil?
> Thanks, George kb2z
> 
> At 02:22 AM 2/23/05 -0500, you wrote:
> 
>> Not a bad practice to adhere to when bringing coax transmission line into
>> a building/house but does nothing to alleviate the balanced to unbalanced
>> situation at the feed point.
>>
>> Pete, wa2cwa
>>
>>
>> On Wed, 23 Feb 2005 00:56:26 -0600 "Smokey" <redhair at intergate.com>
>> writes:
>> > The coiling of coax for many years has been used by commercial
>> installations for lightning protection. This little bit of inductance
>> provides anitsy-bitsy amount of resistance to the path of high voltage
>> high current lightning. Experts even suggest as little as a single turn
>> coil in a coax line helps. What the commercial stations do, though, is
>> NOT put the coil at the feedpoint. The coil (or "drip loop" as it is
>> sometimes known) should be positioned near where the coax enters the
>> station with the coax shield grounded prior to that point. The theory is
>> that the resistive inductance to lightning is sufficient to discourage it
>> from continuing into the station and, instead, it takes the direct path
>> to the ground provided by the shield-to-ground lead.
>> > Vern Weiss W9STB
>> > All CW in the Northwoods
>> >
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> 
> 
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