Ham IV vs Yaesu 800 Rotor mounting holes to tower plate

Discussion in 'Antennas, Feedlines, Towers & Rotors' started by K9SXM, Jun 11, 2021.

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  1. K9SXM

    K9SXM Ham Member QRZ Page

    Are the mounting holes for a Yaesu 800 series rotor compatible with the holes for a Ham IV rotor ? Or does the mounting plate have to be redialed for the Yaesu Rotor ?

  2. WB2WIK

    WB2WIK Platinum Subscriber Platinum Subscriber QRZ Page

    Nope, that won't work without new holes.

    The HAM-IV mounting holes are spaced 77mm apart and are .265" diameter. The G-800 mounting holes are spaced 84mm apart and are .354" diameter.

    There are some rotator plates that are punched or drilled for both, but you didn't say what tower or plate you have.

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