Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9FP callsign genealogy
Currently held by Freeburg, Thomas 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 AB9FP's current licensee, walking backwards.
- Freeburg, Thomas AILgranted 2001-04-04cancelled 2002-05-17
Successor callsigns
Callsigns held now by people who previously held AB9FP.
- Freeburg, Thomas AILgranted 2012-04-10cancelled 2018-09-17