Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4LBM callsign genealogy
Currently held by Miller 852, Lawrence Berns B
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 K4LBM's current licensee, walking backwards.
- Miller, Lawrence BALgranted 2011-06-06cancelled 2011-09-10
Successor callsigns
Callsigns held now by people who previously held K4LBM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4LBM, oldest first.
- SANDERS, WILLIAM B AL1997-01-10 → cancelled 2003-09-21
- Miller 852, Lawrence Berns B AL2021-08-23 active