Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3SPA callsign genealogy
Currently held by SCHWENK, PETER 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 W3SPA's current licensee, walking backwards.
- SCHWENK, PETER ADEgranted 2021-03-16cancelled 2021-04-09
Successor callsigns
Callsigns held now by people who previously held W3SPA.
No current licensee on record previously held this callsign.