Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KQ9Y callsign genealogy
Currently held by FREDERICK, CHRIS D
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 KQ9Y's current licensee, walking backwards.
- FREDERICK, CHRIS DINgranted 2005-05-10cancelled 2009-11-20
Successor callsigns
Callsigns held now by people who previously held KQ9Y.
- STIEBER, HOWARD RMIgranted 2022-05-19