uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KH2GUM callsign genealogy

Currently held by GIBSON, WILLIAM 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 KH2GUM's current licensee, walking backwards.

  1. K5GUMcancelled· E
    GIBSON, WILLIAM RGUgranted 2014-05-10cancelled 2014-08-19
  2. K5GUAcancelled· E
    GIBSON, WILLIAM RGUgranted 2014-03-28cancelled 2014-05-10
  3. NH2CPcancelled· E
    GIBSON, WILLIAM RGUgranted 2006-01-17cancelled 2014-03-28

Successor callsigns

Callsigns held now by people who previously held KH2GUM.

No current licensee on record previously held this callsign.