Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0CIS callsign genealogy
Currently held by ROTH COLSON, ESTHER J
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 N0CIS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N0CIS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0CIS, oldest first.
- ROTH COLSON, ESTHER J MO2018-01-17 active
- —— → cancelled 1998-02-26