Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AC1CO callsign genealogy
Currently held by Rothman, Ronald M
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 AC1CO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held AC1CO.
- Rothman, Ronald MMAgranted 2017-12-05cancelled 2021-05-04