Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9UWF callsign genealogy
Currently held by Ross, Michael J
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 KB9UWF's current licensee, walking backwards.
- KB9CZVcancelledcancelled 1999-06-14
Successor callsigns
Callsigns held now by people who previously held KB9UWF.
- Ross, Michael JILgranted 2015-07-01