Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AC2OH callsign genealogy
Currently held by HARTZMAN, RICHARD 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 AC2OH's current licensee, walking backwards.
- HARTZMAN, RICHARD MNYgranted 2007-12-27cancelled 2014-07-22
Successor callsigns
Callsigns held now by people who previously held AC2OH.
- HARTZMAN, RICHARD MNYgranted 2016-08-16