Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6CFU callsign genealogy
Currently held by Cook, Allen B
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 N6CFU's current licensee, walking backwards.
- Cook, Allen BCAgranted 2014-05-06cancelled 2014-05-28
Successor callsigns
Callsigns held now by people who previously held N6CFU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6CFU, oldest first.
- COOK, ALLEN B CA1995-01-13 → cancelled 2007-01-17
- Cook, Allen B CA2014-05-28 → cancelled 2026-05-29