Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9GUS callsign genealogy
Currently held by MORRIS III, JOHN S
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 K9GUS's current licensee, walking backwards.
- MORNINGSTAR, DAVID LMIgranted 2009-04-21cancelled 2010-06-22
Successor callsigns
Callsigns held now by people who previously held K9GUS.
- MORRIS III, JOHN SAZgranted 2017-04-11
All historical holders
Every license row we've seen with the callsign K9GUS, oldest first.
- MORRIS III, JOHN S AZ2003-10-15 → cancelled 2007-06-01
- MORNINGSTAR, DAVID L MI2020-05-06 active