
SWTLsummary | page 7 | https://thedailydialectics.com/pdfs/SWTLsummary/SWTLsummary.pdf
Characteristic Impedance of Coax Is Due to Geometry reu=5~ |“ In(2) ~60 in() where u=4r7x10 "Henry/meter ~1.2566uH/meter, permeability of a vacuum ar Farad/meter ~ 8.8542 pF per meter, permittivity of a vacuum Cu Per ARRL License Manual, Handbook etc: Coaxial Cable, Z=138* log (2) a