Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9OG callsign genealogy
Currently held by O GRADY, MICHAEL P
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 K9OG's current licensee, walking backwards.
- K9YVAcancelledcancelled 1998-01-22
Successor callsigns
Callsigns held now by people who previously held K9OG.
No current licensee on record previously held this callsign.