Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0BZ callsign genealogy
Currently held by Singh, Marcus R
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 AC0BZ's current licensee, walking backwards.
- Singh, Marcus RMNgranted 2002-11-20cancelled 2005-01-19
Successor callsigns
Callsigns held now by people who previously held AC0BZ.
No current licensee on record previously held this callsign.