Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1LLU callsign genealogy
Currently held by MC COBB JR, JAMES E
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 K1LLU's current licensee, walking backwards.
- Marr, Garrison WPAgranted 2020-02-20cancelled 2020-03-10
Successor callsigns
Callsigns held now by people who previously held K1LLU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1LLU, oldest first.
- Marr, Garrison W PA2020-03-10 active
- MC COBB JR, JAMES E— → cancelled 1997-10-01