Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6FOO callsign genealogy
Currently held by FOO, CHUAN YU
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 N6FOO's current licensee, walking backwards.
- FOO, CHUAN YUCAgranted 2020-09-24cancelled 2020-11-07
Successor callsigns
Callsigns held now by people who previously held N6FOO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6FOO, oldest first.
- OLESEN, CHESTER E CA1998-03-26 → cancelled 2010-03-27
- FOO, CHUAN YU CA2020-11-07 active