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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

WW0MM callsign genealogy

Currently held by BLOCK, MICHAEL M

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 WW0MM's current licensee, walking backwards.

  1. WB0MMactive· E
    MYERS, MARK BMOgranted 2024-04-30
  2. AD0IIcancelled· E
    MYERS, MARK BMOgranted 2014-05-06cancelled 2014-05-16
  3. N9YDZcancelled· E
    MYERS, MARK BMOgranted 2004-05-03cancelled 2014-04-24

Successor callsigns

Callsigns held now by people who previously held WW0MM.

No current licensee on record previously held this callsign.

← Back to WW0MM License history →