Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3MM callsign genealogy
Currently held by BARON, STEPHEN F
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 KB3MM's current licensee, walking backwards.
- Myers II, James MMDgranted 2015-03-09cancelled 2015-06-02
Successor callsigns
Callsigns held now by people who previously held KB3MM.
- Myers II, James MFLgranted 2025-04-22
All historical holders
Every license row we've seen with the callsign KB3MM, oldest first.
- BARON, STEPHEN F PA2001-12-05 → cancelled 2014-01-15
- Myers II, James M MD2015-06-02 → cancelled 2015-06-30