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

KB4RMC callsign genealogy

Currently held by MORSE JR, THOMAS A

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 KB4RMC's current licensee, walking backwards.

  1. KJ4RVGcancelled
    NERMC HospitalALgranted 2010-01-27cancelled 2019-03-05

Successor callsigns

Callsigns held now by people who previously held KB4RMC.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KB4RMC, oldest first.

  • MORSE JR, THOMAS A GA
    1995-11-21 → cancelled 2007-11-22
  • NERMC Hospital AL
    2019-03-05 active