Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WN4BWW callsign genealogy
Currently held by Mack, William L
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 WN4BWW's current licensee, walking backwards.
- Mack, William LKYgranted 2016-03-21cancelled 2016-04-12
Successor callsigns
Callsigns held now by people who previously held WN4BWW.
No current licensee on record previously held this callsign.