Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9COF callsign genealogy
Currently held by coffey, Shannon e
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 K9COF's current licensee, walking backwards.
- Coffey, Shannon EINgranted 2024-02-29cancelled 2026-05-16
Successor callsigns
Callsigns held now by people who previously held K9COF.
No current licensee on record previously held this callsign.