Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1LJO callsign genealogy
Currently held by Chadbourne 284, Robert A
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 K1LJO's current licensee, walking backwards.
- Chadbourne, Robert AMAgranted 2010-05-13cancelled 2010-06-15
Successor callsigns
Callsigns held now by people who previously held K1LJO.
No current licensee on record previously held this callsign.