Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB0MZ callsign genealogy
Currently held by Cain, Robert 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 AB0MZ's current licensee, walking backwards.
- CAIN, ROBERT JNEgranted 1998-07-15cancelled 2000-06-07
Successor callsigns
Callsigns held now by people who previously held AB0MZ.
No current licensee on record previously held this callsign.