Tower Base Feedline protection
With the tower grounded I then focused on the suppression of any potentials that made a way onto the feedlines. To address this I placed a copper bus bar in the tower base junction box and installed DC blocking suppressors for the HF Beam and VHF/UHF vertical. This bus is tied to #6 stranded copper which is then connected to a separate ground rod.
Later I added a gas tube suppressor for the ground mounted vertical as this what was available on a weekend.
Also in the box is a suppressor on the ethernet line running to the Internet system as well as various chokes to break up the electrical length and suppress RF absorption and transmission.
Still to add is suppression on the rotor line.
Grounding in the shack
Inside the shack I mounted another bus bar and fabricated grounding straps for and tied to this common point everything I could.
Being on the second floor the cable run is longer, but the same theme is used. A #6 stranded copper line is run outside and connected to two 8 foot ground rods.
As I write this at the end of March 2015 the spring Thunderstorm season is forecasted to begin this week. Only time will tell if the precautions taken will prove to be adequate. To my advantage the factors which led me to install this structure, being down in a valley. Will offer a level of protection as the towers height above surrounding terrain is not all that much. There are bigger and better targets around me.
Until next time 73’s, Jay