uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KC4RN callsign genealogy

Currently held by MC GRANTHAM, GERALD J

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 KC4RN's current licensee, walking backwards.

  1. N2EIIcancelled· E
    MC GRANTHAM, GERALD JNJgranted 2006-11-21cancelled 2009-06-02
  2. AB2UScancelled· E
    MC GRANTHAM, GERALD JNJgranted 2005-01-22cancelled 2006-11-21
  3. W2GJMactive· G
    MC PHERSON, GARY JOHNNYgranted 2017-02-04
  4. N2KUNcancelled· G
    MC PHERSON, GARY JOHNNYgranted 2011-07-30cancelled 2017-02-04
  5. KB2DJZ
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KC4RN.

  1. W2AZLcancelled· E
    MC GRANTHAM, GERALD JNJgranted 2004-12-21cancelled 2005-01-22

All historical holders

Every license row we've seen with the callsign KC4RN, oldest first.

  • MC GRANTHAM, GERALD J NJ
    1997-04-10 → cancelled 2004-12-21
  • MC GRANTHAM, GERALD J NJ
    2009-06-02 → cancelled 2021-06-03
← Back to KC4RN License history →