Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3GWU callsign genealogy
Currently held by Esmeral, Joseph
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 K3GWU's current licensee, walking backwards.
- Esmeral, JosephFLgranted 2024-03-27cancelled 2025-01-03
Successor callsigns
Callsigns held now by people who previously held K3GWU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3GWU, oldest first.
- George Washington University Amateur Radio Club And Research Station DC2012-04-21 → cancelled 2024-04-23
- Esmeral, Joseph FL2025-01-03 active