Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5DLW callsign genealogy
Currently held by Williams, Derek
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 N5DLW's current licensee, walking backwards.
- WILLIAMS, DEREKTXgranted 2021-04-09cancelled 2022-10-14
Successor callsigns
Callsigns held now by people who previously held N5DLW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5DLW, oldest first.
- SHUMAKE, JOHNNY C LA2008-03-11 → cancelled 2020-03-12
- Williams, Derek TX2022-10-14 active