Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4ERN callsign genealogy
Currently held by YACOBELLI SR, LAWRENCE A
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 W4ERN's current licensee, walking backwards.
- Mendonza, Ashley MFLgranted 2018-06-04cancelled 2018-07-31
Successor callsigns
Callsigns held now by people who previously held W4ERN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4ERN, oldest first.
- YACOBELLI SR, LAWRENCE A FL1997-09-17 → cancelled 2009-09-18
- Mendonza, Ashley M SC2018-07-31 active