Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WL4B callsign genealogy
Currently held by FREEMAN, BILLY
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 WL4B's current licensee, walking backwards.
- FREEMAN JR, BILLY LAKgranted 2012-11-08cancelled 2014-06-06
Successor callsigns
Callsigns held now by people who previously held WL4B.
- GUERRERO, FRANCISCO BTXgranted 2026-08-18
All historical holders
Every license row we've seen with the callsign WL4B, oldest first.
- GUERRERO, FRANCISCO B TX2006-10-06 → cancelled 2007-01-06
- FREEMAN, BILLY TN2024-07-31 active