antenna.barko.devby Rothammel

basicutilityfeedlinecoax

Coax Loss

Calculate coaxial cable losses

Source: Rothammel, Vol. 1, Ch. 5.1, p. 77-82

Input Parameters

Cable Type (1=RG58, 2=RG213, 3=RG8X, 7=LMR400, 9=Eco15)

#

Frequency

MHz

Cable Length

m

SWR at Load

: 1

Results

Matched Loss

1.85dB

Total Loss (with SWR)

2.03dB

Power Delivered (100W in)

62.6W

Velocity Factor

0.66

Cable Impedance

50Ω

Electrical Length

45.45m

Diagram