Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3AMB callsign genealogy
Currently held by MARTIN, CHARLES W
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 W3AMB's current licensee, walking backwards.
- Bezmelnitsyn, Andrey VMOgranted 2007-02-13cancelled 2007-03-10
Successor callsigns
Callsigns held now by people who previously held W3AMB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3AMB, oldest first.
- MARTIN, CHARLES W PA1993-04-20 → cancelled 2005-04-21
- Bezmelnitsyn, Andrey V MO2017-02-14 active