Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9VHF callsign genealogy
Currently held by HAMILTON SOUTHEASTERN MDL SCH ARC
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 K9VHF's current licensee, walking backwards.
- Clark, Randolph DWIgranted 1999-09-21cancelled 2000-01-04
Successor callsigns
Callsigns held now by people who previously held K9VHF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9VHF, oldest first.
- HAMILTON SOUTHEASTERN MDL SCH ARC IN1987-12-11 → cancelled 1999-12-09
- CLARK, RANDOLPH D WI2019-12-06 active