Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9NA callsign genealogy
Currently held by BAUMANN, JAMES A
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 AB9NA's current licensee, walking backwards.
- Baumann, James AINgranted 2005-08-09cancelled 2006-11-20
Successor callsigns
Callsigns held now by people who previously held AB9NA.
No current licensee on record previously held this callsign.