Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4ZU callsign genealogy
Currently held by Morgan, Michael E
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 KK4ZU's current licensee, walking backwards.
- Morgan, Michael ETNgranted 2014-03-13cancelled 2015-03-17
Successor callsigns
Callsigns held now by people who previously held KK4ZU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK4ZU, oldest first.
- DICKSON, FRED L TN1989-02-07 → cancelled 2001-02-08
- Morgan, Michael E TN2025-02-04 active