Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9XF callsign genealogy
Currently held by PIGHTLING, ARTHUR 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 K9XF's current licensee, walking backwards.
- OSTAPIUK, ROBERT AILgranted 1999-05-25cancelled 2002-05-03
Successor callsigns
Callsigns held now by people who previously held K9XF.
- PIGHTLING, ARTHUR WCOgranted 1999-07-22cancelled 2007-07-03
All historical holders
Every license row we've seen with the callsign K9XF, oldest first.
- OSTAPIUK, ROBERT A IL2022-03-15 active
- PIGHTLING, ARTHUR W— → cancelled 1999-07-22