Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3SQ callsign genealogy
Currently held by Bach III, Mel A
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 W3SQ's current licensee, walking backwards.
- Bach III, Melvin APAgranted 2003-06-09cancelled 2008-01-05
- WB3CRKno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held W3SQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3SQ, oldest first.
- MRVOSH JR, MICHAEL PA1997-09-12 → cancelled 2001-04-14
- Bach III, Mel A PA2018-02-21 active