White papers:
http://docs.commscope.com/Public/Coax101.pdf
Although the test frequency and method is not described, this shows the
difference between Quad shield and single foil and braid is 7 dB before
10,000 flexes and 13 dB after 10,000 flexes.
My measurements of F11 are at:
http://www.w8ji.com/coaxial_cable_leakage.htm
Those measurements were made in 2007, and repeated in 2011 with no definate
change in results. That cable has crimped connectors.
Another white paper, which bears out measurements:
http://www.westpenn-wpw.com/pdfs/coax_construction.pdf
73 Tom
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UR RST IS ... ... ..9 QSB QSB - hw? BK
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