Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9PFK callsign genealogy
Currently held by Beyersdorf, Patrick M
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 W9PFK's current licensee, walking backwards.
- Beyersdorf, Patrick MMNgranted 2019-02-22cancelled 2019-03-19
Successor callsigns
Callsigns held now by people who previously held W9PFK.
No current licensee on record previously held this callsign.