Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1SES callsign genealogy
Currently held by HAVENS, PETER J
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 W1SES's current licensee, walking backwards.
- HAVENS, PETER JMEgranted 2020-09-21cancelled 2025-04-29
Successor callsigns
Callsigns held now by people who previously held W1SES.
No current licensee on record previously held this callsign.