Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9HFY callsign genealogy
Currently held by Hullinger, Keith
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 K9HFY's current licensee, walking backwards.
- Hullinger, KeithINgranted 2016-10-31cancelled 2019-06-01
Successor callsigns
Callsigns held now by people who previously held K9HFY.
No current licensee on record previously held this callsign.