Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3SRF callsign genealogy
Currently held by Schwede, Maxwell T
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 W3SRF's current licensee, walking backwards.
- Schwede, maxwell TCAgranted 2021-01-25cancelled 2021-10-16
Successor callsigns
Callsigns held now by people who previously held W3SRF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3SRF, oldest first.
- EYLER JR, WILLIAM H MD1995-01-04 → cancelled 2007-01-05
- Schwede, Maxwell T CA2021-10-16 active