Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9VOS callsign genealogy
Currently held by LISTER, JOHN 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 K9VOS's current licensee, walking backwards.
- LISTER, JOHN WDEgranted 2022-05-04cancelled 2022-05-24
Successor callsigns
Callsigns held now by people who previously held K9VOS.
No current licensee on record previously held this callsign.