Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3IZC callsign genealogy
Currently held by MASON, GEORGE L
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 W3IZC's current licensee, walking backwards.
- Mason, Thomas RMDgranted 2026-02-24cancelled 2026-03-14
Successor callsigns
Callsigns held now by people who previously held W3IZC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3IZC, oldest first.
- MASON, GEORGE L MD1988-05-03 → cancelled 2000-05-04
- Mason, Thomas R MD2026-03-14 active