Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4UKK callsign genealogy
Currently held by MERCY, PETER D
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 KF4UKK's current licensee, walking backwards.
- MERCY, PETER Dcancelled 1997-10-23
Successor callsigns
Callsigns held now by people who previously held KF4UKK.
No current licensee on record previously held this callsign.