Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB0JB callsign genealogy
Currently held by CROUCH, DONALD 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 AB0JB's current licensee, walking backwards.
- CROUCH, DONALD RCOgranted 1999-06-23cancelled 1999-09-01
Successor callsigns
Callsigns held now by people who previously held AB0JB.
No current licensee on record previously held this callsign.