[SixClub] Recommended Coax?

[Dave Rothermel]

9913 can get condensation in the spiral. Our radio club had an antenna 
problem. Saw a drip of water at the bottom tower connector. Cut the 
connector off and water poured out.
                                    K9DVL

mikea wrote:
> On Wed, Jun 16, 2010 at 01:42:49PM -0500, kd4e wrote:
>> Based on this site:
>> http://www.ocarc.ca/coax.htm
>>
>> Belden 9913 is a better brice-performance choice
>> than most, except for Andrews Heliax, based on
>> loss at 100' but at 150' it changes a little.
>>
>> Variables:
>>
>> 50MHz
>> 100'
>> SWR 1:1
>>
>> ........................Loss100'..Loss150'
>> ---------------------------------------------
>> Belden 9913..............0.885....1.328
>> Davis RF Bury-Flex.......1.009....1.513
>> LMR 400..................0.865....1.297
>> Andrews LDF4-50A.........0.464....0.696
>>
>> What am I missing, please?
> 
> The loss numbers look reasonable at both 100' and 150'; the 150' figures
> are 1.5 * the 100' figures, which is the right thing to do. Let's rank
> them in increasing order of loss at 100':
> 
> ........................Loss100'..Loss150'
> ---------------------------------------------
> Andrews LDF4-50A.........0.464....0.696
> LMR 400..................0.865....1.297
> Belden 9913..............0.885....1.328
> Davis RF Bury-Flex.......1.009....1.513
> 
> They're still in order with respect to their losses at 150'. Why do you
> think you're missing something?
> 
> I think I'd try to minimize cost/loss for each run, myself, given that
> all the cables were otherwise acceptable.
> 
> 
> 
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