Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1LLO callsign genealogy
Currently held by Watson, William H
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 K1LLO's current licensee, walking backwards.
- Watson, William HMEgranted 2004-01-27cancelled 2004-04-06
Successor callsigns
Callsigns held now by people who previously held K1LLO.
No current licensee on record previously held this callsign.