Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4LDR callsign genealogy
Currently held by DUARTE, LAZARO P
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 W4LDR's current licensee, walking backwards.
- Reece Jr, Lloyd DTNgranted 2015-07-31cancelled 2015-08-25
Successor callsigns
Callsigns held now by people who previously held W4LDR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4LDR, oldest first.
- DUARTE, LAZARO P TN2003-05-13 → cancelled 2015-05-14
- Reece Jr, Lloyd D TN2015-08-25 active