Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9FF callsign genealogy
Currently held by Baguhn, Frederick
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 AB9FF's current licensee, walking backwards.
- Baguhn, FrederickWIgranted 2001-12-10cancelled 2002-04-17
Successor callsigns
Callsigns held now by people who previously held AB9FF.
- Baguhn, FrederickWIgranted 2022-03-28