[UK-CONTEST] UK-Contest Digest, Vol 87, Issue 28

John Wilson uk-contest at grebe.plus.com
Sun Mar 21 06:05:03 PDT 2010


Steve, please enlighten us. What is a vampire tap?
John G3UUT

Steve White wrote:
> Yellow (Ethernet) coax is suitable for amateur radio use, but the outer 
> jacket deteriorates in sunlight. Consequently it is only suitable for use 
> indoors or in ducting. If you buy some at a rally or equipment sale, inspect 
> the black rings that are at 2.5m intervals along the cable for holes 
> (vampire taps). Cover any you find with self-amalgamating tape.
>
> Steve, G3ZVW
>
>   
>> Message: 4
>> Date: Sat, 20 Mar 2010 18:46:31 +0000 (GMT)
>> From: ALEX LISTER <alexcom22 at btopenworld.com>
>> Subject: [UK-CONTEST] ] Buried coax
>> To: uk-contest at contesting.com
>> Message-ID: <232612.91613.qm at web86306.mail.ird.yahoo.com>
>> Content-Type: text/plain; charset=utf-8
>>
>>
>> If using Duct
>> Don,t forget the mouse bait for the rodents.
>> Incidentally I am using some large diameter 50 ohm Yellow ethernet,
>> With a solid dielectric for a long run to HF vertical , Been in ground 
>> some time
>> Sleeved with Plastic conduit . Seems OK.
>>
>> If ur going to do job properly and have a non solid dialecric.
>> Then Squirt some dried clean air up it.
>> Or for EME RX some gas !
>> But you will need to find a friendly cable contractor for the air bits !
>> Alex Lister
>> G8FCQ
>> Member Leicester Radio Society G3LRS/G2AA
>> Member DMUARS
>> 0753 120 1640
>>
>> --- @ WiseStamp Signature. Get it now
>>
>>
>>     
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>   




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