Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9PJK callsign genealogy
Currently held by LEISIO, THOMAS 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 KB9PJK's current licensee, walking backwards.
- KB0QKOno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KB9PJK.
- Leisio, Thomas AMNgranted 1997-01-17cancelled 2002-02-05