Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9PBN callsign genealogy
Currently held by NIELANDER, PAUL B
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 K9PBN's current licensee, walking backwards.
- NIELANDER, PAUL BINgranted 2014-04-17cancelled 2020-02-11
Successor callsigns
Callsigns held now by people who previously held K9PBN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9PBN, oldest first.
- GRUENTHALER, GEORGE IL1991-04-02 → cancelled 2003-04-03
- NIELANDER, PAUL B AZ2020-02-11 active