Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4LGL callsign genealogy
Currently held by PLYLER SR, DERRICK G
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 KK4LGL's current licensee, walking backwards.
- PLYLER SR, DERRICK GSCgranted 2013-03-12cancelled 2020-08-29
Successor callsigns
Callsigns held now by people who previously held KK4LGL.
- PLYLER SR, DERRICK GSCgranted 2013-03-12cancelled 2020-08-29
All historical holders
Every license row we've seen with the callsign KK4LGL, oldest first.
- PLYLER SR, DERRICK G SC2012-08-23 → cancelled 2013-03-12
- PLYLER SR, DERRICK G SC2020-08-29 active