Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC2EM callsign genealogy
Currently held by Nichols, John D
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 AC2EM's current licensee, walking backwards.
- Nichols, John DNYgranted 2003-03-07cancelled 2010-10-12
Successor callsigns
Callsigns held now by people who previously held AC2EM.
No current licensee on record previously held this callsign.