Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9PKL callsign genealogy
Currently held by Claussen, Jason 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 W9PKL's current licensee, walking backwards.
- Claussen, Jason AWIgranted 2015-01-12cancelled 2017-01-27
Successor callsigns
Callsigns held now by people who previously held W9PKL.
No current licensee on record previously held this callsign.