[Moon] MANY THANKS INFO RE: Ecoflex 15 plus : attenuation increase over the years?

Lance Collister, W7GJ w7gj at q.com
Sun Sep 25 22:30:44 CEST 2016


LMR600 is not made for repeated flexing....that is why they produce LMR600 ULTRA 
FLEX, with a stranded center conductor.   Both kinds of cables, as well as connectors 
are available from Texas Towers:

http://www.texastowers.com/cable/coax.htm

You can get 7/16 DIN connectors for LMR600 from RF INDUSTRIES:

http://www.rfcoaxconnectors.com/

GL and VY 73, Lance

On 9/25/2016 15:10, Jac de Bruijn wrote:
> Hello EME friends,
>
>   
>
> I would like to thank everybody who responded to my email on the attenuation
> increase of the EcoFlex 15.
>
>   
>
> Received many emails direct and via the reflector.
>
> Conclusion is that this coax deteriorates over the years caused by cracking
> of the copper foil
>
> due to movement such as a turning loop/jumper cable and temperature
> gradients.
>
>   
>
> Hyperflex 13 or Cellflex LCF12-50 is an option. Unfortunately there are no
> 7/16 conn yet for the Hyperflex 13 !
>
>   
>
> I have LMR600 but i wonder if this coax is usable as a jumer cable? Where
> are 7/16 conn. for LMR600 available?
>
>   
>
> 73s de Jac, PA3DZL
>
>   
>
>   
>
>   
>
> Van: Jac de Bruijn [mailto:pa3dzl at ziggo.nl]
> Verzonden: vrijdag 23 september 2016 19:49
> Aan: 'freetalk moonnet'; 'Moon-Net'
> Onderwerp: Ecoflex 15 plus : attenuation increase over the years?
>
>   
>
> Helle EME friends,
>
>   
>
> I just measured my power at the feed on 13cm and see an increase in loss !!
>
> Same power in the shack but much less at the feed.
>
>   
>
> Some time ago i heard from John, PA7JB that he experienced the same.
>
>   
>
> So after some years the Ecoflex 15 plus increases in losses.
>
> I am using this jumper coax now for 3 years !
>
> My main cable from the shack to the dish is 1-1/4 coax and have about 8m
> Ecoflex 15 to the feed.
>
>   
>
> Anybody here who has the same experience? 23 and 13cm?
>
>   
>
> 73s de Jac, PA3DZL
>
>   
>
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> Moon at moonbounce.info
> http://lists.moonbounce.info/listinfo/moon
>


-- 
Lance Collister, W7GJ
(ex WA3GPL, WA1JXN, WA1JXN/C6A, ZF2OC/ZF8, E51SIX, 3D2LR, 5W0GJ, E6M, TX5K, KH8/W7GJ, V6M, T8GJ)
P.O. Box 73
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USA
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URL: http://www.bigskyspaces.com/w7gj
Skype: lanceW7GJ
2m DXCC #11/6m DXCC #815

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