Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K4LCO callsign genealogy
Currently held by Johnson, Richard 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 K4LCO's current licensee, walking backwards.
- Albornett Fente, Maximo JFLgranted 2024-03-16cancelled 2024-04-19
Successor callsigns
Callsigns held now by people who previously held K4LCO.
- Albornett, MaximoFLgranted 2024-12-10
All historical holders
Every license row we've seen with the callsign K4LCO, oldest first.
- Johnson, Richard H VA2009-03-24 → cancelled 2021-03-25
- Albornett Fente, Maximo J FL2024-04-19 → cancelled 2024-12-10