[600MRG] Good transmission line for low price

[mstangelo at comcast.net]

Dave,

That price seemed low for copper wire. I checked the specs and the strands are copper clad aluminum. I am curious how it withstands the elements because I've had corrosion issues with similar wire.

Mike N2MS

> On 05/24/2023 8:09 AM EDT Dave Riley via 600MRG <600mrg at mailman.qth.net> wrote:
> 
> 
> Back in the day we were all warned not to use ac line cord for antenna feeds.
>  Now with modern plastics/pvc maybe things have changed??
> I started off by using Belden 72 ohm KW twin lead for receive hoping to see what made the Dallas Lankford " quiet antennas " work ..
> Things were looking good till I ran out of the Belden twin lead and they don't make it any more..
> Decided to try " Install Link " from Amazon for low money.. 38 bux for 250 feet..
>  https://www.amazon.com/gp/product/B0BYCR9P8J/ref=ewc_pr_img_1?smid=A1J9XHX48UC47C&psc=1
> Worked great quality for DC interconnects so it was time to measure Z and see if this line would be good for remote receive antennas..
> Good news for 630m and lower... 
> 
> 100 ft. of this terminated line measures 104 ohms Z, good..
> Freq Loss
> 11mhz - 5.57db
>  4mhz. - 3.27db
>  1.8mhz. - 2.39db
>  475kc. - .69db
>  136kc. - .18db
>  17.2kc. - .16db
> Of course a remote LNA at the antenna makes the loss go away..
> Am using this now for verticals and loops.. 
> 
> The possibilities are endless... Phased arrays??
> 
> 73s de Dave @ W1FRV / W1NMF WSPR
>