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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KL7MO callsign genealogy

Currently held by O'Keefe, Michael D

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by KL7MO's current licensee, walking backwards.

  1. KL7MDactive· G
    Delue Jr, MichaelAKgranted 2023-03-13
  2. KN4MRXcancelled· G
    Delue Jr, MichaelAKgranted 2018-05-30cancelled 2023-03-13

Successor callsigns

Callsigns held now by people who previously held KL7MO.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KL7MO, oldest first.

  • MICKEY, MYRON H WA
    1991-11-05 → cancelled 2003-11-06
  • O'Keefe, Michael D AK
    2018-07-27 active