Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9RT callsign genealogy
Currently held by Nelson, Joel C
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 AB9RT's current licensee, walking backwards.
- Nelson, Joel CWIgranted 2008-06-27cancelled 2008-07-18
Successor callsigns
Callsigns held now by people who previously held AB9RT.
No current licensee on record previously held this callsign.