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

N4MMR callsign genealogy

Currently held by Black, John R

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 N4MMR's current licensee, walking backwards.

  1. W3RBXcancelled· G
    Black, John RFLgranted 2010-03-06cancelled 2019-09-24
  2. KB3TYQcancelled· G
    Black, John RPAgranted 2010-02-02cancelled 2010-03-06

Successor callsigns

Callsigns held now by people who previously held N4MMR.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N4MMR, oldest first.

  • HUCKABY, BONNIE F AL
    1996-10-10 → cancelled 2008-10-11
  • Black, John R FL
    2019-09-24 active
← Back to N4MMR License history →