Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL4X callsign genealogy
Currently held by Summerlott, Terry
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 KL4X's current licensee, walking backwards.
- Summerlott, Terry EFLgranted 2022-05-24cancelled 2023-03-03
Successor callsigns
Callsigns held now by people who previously held KL4X.
- Lobo, Lance CMEgranted 2003-05-17cancelled 2003-06-28
All historical holders
Every license row we've seen with the callsign KL4X, oldest first.
- Lobo, Lance C AK2002-09-05 → cancelled 2003-05-17
- Summerlott, Terry FL2023-03-03 active