Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9OPY callsign genealogy
Currently held by Oppy, John F
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 K9OPY's current licensee, walking backwards.
- Oppy, John FINgranted 2014-07-17cancelled 2014-12-30
Successor callsigns
Callsigns held now by people who previously held K9OPY.
No current licensee on record previously held this callsign.