Technical Library

Rigid Line Critical Frequency
Line length  feet
Number of sections   
Resulting Critical MHz.   
For TV Use 19, 19.5, 19.75 or 20 Ft. FM Use 17.5, 19 or 20 Ft.
This is only an approximation!
How much does your transmission line change with temperature
Transmission Line Run FT   
 F° Max   
F° Minimum   
Change in Inches   
Change in Feet   
Type in the yellow areas and read the blue area answers. Use the TAB key after each entry.

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