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

W8MOJ callsign genealogy

Currently held by Johnson, Mark O

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 W8MOJ's current licensee, walking backwards.

  1. AB8VFcancelled· E
    Johnson, Mark OOHgranted 2005-07-15cancelled 2006-01-10
  2. KD8BWBcancelled· E
    Johnson, Mark OOHgranted 2005-07-15cancelled 2005-10-13

Successor callsigns

Callsigns held now by people who previously held W8MOJ.

No current licensee on record previously held this callsign.