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

K4CME callsign genealogy

Currently held by JOHNSON, CHRISTOPHER 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 K4CME's current licensee, walking backwards.

  1. W4ZDTcancelled· G
    MUSIC, DOUGLAS MFLgranted 2018-09-25cancelled 2020-04-21

Successor callsigns

Callsigns held now by people who previously held K4CME.

  1. W4ZDTcancelled· G
    MUSIC, DOUGLAS MFLgranted 2018-09-25cancelled 2020-04-21
  2. K4NHLcancelled· E
    JOHNSON, CHRISTOPHER RSCgranted 2006-12-05cancelled 2007-07-31

All historical holders

Every license row we've seen with the callsign K4CME, oldest first.

  • JOHNSON, CHRISTOPHER R SC
    2003-02-28 → cancelled 2006-12-05
  • MUSIC, DOUGLAS M FL
    2011-07-23 → cancelled 2018-09-25
  • MUSIC, DOUGLAS M FL
    2020-04-21 active
← Back to K4CME License history →