Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4LBE callsign genealogy
Currently held by Grossman, Michael H
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 WB4LBE's current licensee, walking backwards.
- Grossman, Michael HFLgranted 2013-05-29cancelled 2016-12-23
Successor callsigns
Callsigns held now by people who previously held WB4LBE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB4LBE, oldest first.
- GROSSMAN, CHARLES M FL2014-06-10 → cancelled 2015-04-30
- Grossman, Michael H FL2016-12-23 active