Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA3TWG callsign genealogy
Currently held by SANKEWITSCH, MICHAEL
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 WA3TWG's current licensee, walking backwards.
- SANKEWITSCH, MICHAELNCgranted 2003-04-16cancelled 2010-11-06
Successor callsigns
Callsigns held now by people who previously held WA3TWG.
- SANKEWITSCH, MICHAELNCgranted 2023-01-26