Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1LLN callsign genealogy
Currently held by Leanos, Joseph R
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 K1LLN's current licensee, walking backwards.
- Leanos, Joseph RCAgranted 2010-07-19cancelled 2010-08-07
Successor callsigns
Callsigns held now by people who previously held K1LLN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1LLN, oldest first.
- DAY, ROBERT H ME1994-07-13 → cancelled 1999-02-09
- Leanos, Joseph R CA2021-03-16 active