Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2FAO callsign genealogy
Currently held by ONeill, Colin M
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 K2FAO's current licensee, walking backwards.
- ONeill, Colin MNYgranted 2025-06-25cancelled 2025-07-25
Successor callsigns
Callsigns held now by people who previously held K2FAO.
No current licensee on record previously held this callsign.