Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4AYL callsign genealogy
Currently held by WEILER, EDWIN 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 K4AYL's current licensee, walking backwards.
- Valentin, Juan LFLgranted 2022-07-12cancelled 2022-08-12
Successor callsigns
Callsigns held now by people who previously held K4AYL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4AYL, oldest first.
- WEILER, EDWIN R FL2009-02-14 → cancelled 2021-03-19
- VALENTIN, JUAN L FL2022-08-12 active