Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB8MU callsign genealogy
Currently held by Cockrill, Calvin E
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 AB8MU's current licensee, walking backwards.
- Cockrill, Calvin EMIgranted 2000-09-22cancelled 2002-03-08
Successor callsigns
Callsigns held now by people who previously held AB8MU.
No current licensee on record previously held this callsign.