Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9WH callsign genealogy
Currently held by HOLLISTER JR, WILLIAM J
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 K9WH's current licensee, walking backwards.
- HOLLISTER JR, WILLIAM JILgranted 1992-03-03cancelled 2000-10-24
Successor callsigns
Callsigns held now by people who previously held K9WH.
No current licensee on record previously held this callsign.