Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1RPN callsign genealogy
Currently held by Kolasinski, Seth W
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 W1RPN's current licensee, walking backwards.
- Kolasinski, Seth WCTgranted 2017-07-17cancelled 2017-09-01
Successor callsigns
Callsigns held now by people who previously held W1RPN.
- Kolasinski, Seth WCTgranted 2022-12-13