Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB9AK callsign genealogy
Currently held by Day, Jonathan W
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 AB9AK's current licensee, walking backwards.
- Day, Jonathan WWIgranted 1999-11-04cancelled 2000-09-29
Successor callsigns
Callsigns held now by people who previously held AB9AK.
- Day, Jonathan WGAgranted 1999-11-04cancelled 2007-03-20