Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9UAM callsign genealogy
Currently held by GREETER JR, WILLIAM 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 KB9UAM's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KB9UAM.
- GREETER JR, WILLIAM ANCgranted 2019-03-27