Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5FDB callsign genealogy
Currently held by OFlynn, Brian
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 K5FDB's current licensee, walking backwards.
- O'Flynn, BrianNMgranted 2024-03-28cancelled 2024-05-14
Successor callsigns
Callsigns held now by people who previously held K5FDB.
No current licensee on record previously held this callsign.