{{tag>[radio coax]}}
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=====Calculating the propagation delay of coaxial cable=====

**5 meter RG-174/U**
  * Velocity of propagation = 66%
  * Speed of light in vacuum = 299.792.458 m/s

  * 100% = 299792458 m/s
  * 66%  = 197863022 m/s
 
  * 197863022 m in 1 sec
  * 1m in 0,000000005054 sec
  * 1m in 5,05400 nanoseconds
  * 5m = 25,27 nanoseconds