On 4/6/14 8:36 AM, Richard Cariello wrote: > P.S. Two lines of RG-11, 75/2=37.5 ohms. Two lines of RG-8, 50/2=25 ohms. Not much of a difference to worry about. > > the two coaxes are in series, so the effective Z is twice that of the coax you use, not half.