Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9VEN callsign genealogy
Currently held by HAYS, JOHN A
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 K9VEN's current licensee, walking backwards.
- Dokter, Peter DCOgranted 2021-08-30cancelled 2021-09-21
Successor callsigns
Callsigns held now by people who previously held K9VEN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9VEN, oldest first.
- HAYS, JOHN A IL2004-07-27 → cancelled 2016-10-22
- Dokter, Peter D CO2021-09-21 active