Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KU4LZ callsign genealogy
Currently held by BABCOCK, PHILLIP O
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 KU4LZ's current licensee, walking backwards.
- WB4CWZcancelledcancelled 1997-11-10
Successor callsigns
Callsigns held now by people who previously held KU4LZ.
No current licensee on record previously held this callsign.