Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WD4SDE callsign genealogy
Currently held by NIEVES, JOSE M
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 WD4SDE's current licensee, walking backwards.
- NIEVES, JOSE MFLgranted 2012-02-28cancelled 2012-03-30
Successor callsigns
Callsigns held now by people who previously held WD4SDE.
- NIEVES, JOSE MNYgranted 2022-04-12cancelled 2025-01-17
All historical holders
Every license row we've seen with the callsign WD4SDE, oldest first.
- WALKER, HARRY S NC2000-03-10 → cancelled 2012-03-13
- NIEVES, JOSE M FL2012-03-30 → cancelled 2012-07-06