Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3M callsign genealogy
Currently held by FREZZA, JOSEPH M
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 KB3M's current licensee, walking backwards.
- MULLINS, BARRY EOHgranted 2013-09-21cancelled 2017-08-25
Successor callsigns
Callsigns held now by people who previously held KB3M.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB3M, oldest first.
- FREZZA, JOSEPH M PA2005-11-08 → cancelled 2017-08-05
- MULLINS, BARRY E OH2017-08-25 active