Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4PHF callsign genealogy
Currently held by LACKEY JR, WILLIAM 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 KK4PHF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KK4PHF.
- LACKEY JR, WILLIAM JGAgranted 2023-02-25