Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9KC callsign genealogy
Currently held by Kahn, Philip B
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 AB9KC's current licensee, walking backwards.
- Kahn, Philip BILgranted 2001-03-26cancelled 2004-11-17
Successor callsigns
Callsigns held now by people who previously held AB9KC.
- Kahn, Philip BILgranted 2020-01-24