Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK5AO callsign genealogy
Currently held by MORRISON JR, WILLIAM F
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 KK5AO's current licensee, walking backwards.
- MORRISON JR, WILLIAM FTXgranted 2007-05-01cancelled 2012-07-31
Successor callsigns
Callsigns held now by people who previously held KK5AO.
- MORRISON JR, WILLIAM FTXgranted 2007-05-01cancelled 2012-07-31
All historical holders
Every license row we've seen with the callsign KK5AO, oldest first.
- MORRISON JR, WILLIAM F TX2004-05-11 → cancelled 2007-05-01
- MORRISON JR, WILLIAM F AR2024-01-25 active