[TowerTalk] Should I use a choke?

[Dick NY1E]

A couple questions, Would it do any good to put a CM choke on my tribander if the coax is then connected to a remote coax switch with other unprotected antennas, or should the choke be on the coax leaving the switch for the shack?  But then the coax is bundled with other unprotected cables. Is it necessary at all if the cables are direct buried for 100 feet?De Dick NY1E

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