Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9ANC callsign genealogy
Currently held by O BRIEN, DANIEL 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 KC9ANC's current licensee, walking backwards.
- O BRIEN, DANIEL PILgranted 1991-12-03cancelled 2001-11-08
Successor callsigns
Callsigns held now by people who previously held KC9ANC.
No current licensee on record previously held this callsign.