The problem is often I get an answer or a request for more info, and I reply without realizing that it goes to an individual’s e-mail address, not to the selector at large. It almost happened with this one.
I was talking about 75 to 100 feet on 50 MHz. I plan to use DXE’s 400MAX, with which I have had excellent results before. Richard - W4KBX > On Feb 26, 2018, at 8:23 PM, donov...@starpower.net wrote: > > W4KBX hasn't commented about the frequency at which he intends > to use 100 feet of RG-8X. 0.24 inch diameter coax -- no matter > what type or manufacturer -- isn't the best choice for 100 foot cable > lengths at 21 MHz or above. > > > > It s a much better investment to step up to the next larger diameter > coax, especially at 50 MHz. LMR400 or LMR400-DB (waterproof > flooded coax) are much better choices for 100 foot cable lengths > at 21 MHz or above. > > > Of course its hard to beat LDF4-50A but at a cable length of only > 100 feet the difference in loss compared to LMR400 is less than > 1/2 dB at 50 MHz. You'll never notice the difference. > > > LDF4-50A or LMR600 is an excellent choice for a 200 foot coax > length at 50 MHz. Much beyond 200 feet at 50 MHZ and LDF5-50A > or LMR900 is a better choice. > > > All of this assumes proper installation. Moisture intrusion resulting > from poor installation practices will degrade your investment no > matter what coax you select. > > > 73 > Frank > W3LPL > > ----- Original Message ----- > > From: j...@kk9a.com > To: elecraft@mailman.qth.net > Sent: Monday, February 26, 2018 10:28:05 PM > Subject: [Elecraft] RG-8X > > The original post by W4KBX was this: "I’m seeking recommendations for > RG-8X coax with the lowest loss. The total run will be about 100 feet." > > You cannot defy physics and have low loss with 1/4" coax, no matter who > the manufacture is, but RG8X was his criteria. > > John KK9A > > > Jim Brown K9YC wrote: > > On 2/26/2018 11:02 AM, Bob McGraw K4TAX wrote: >> I did inquire as to the application. To feed a 6M yagi being a 6OWL6W. > My thinking, I would cringe at putting up a nice yagi such as this and > not use the feedline with the lowest loss possible. Most likely Andrew > LDF4-50A hardline. > > Me too! The 350 ft run from my shack to the 3-el SteppIR is 7/8-in > hardline, transitioning to a short length of flexible coax for the > rotator loop. Scrounged the hard line used for roughly $1/ft. Loss is > about 1 dB on 6M. > > 73, Jim K9YC > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to donov...@starpower.net > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to flat...@comcast.net ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
