Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4DTD callsign genealogy
Currently held by Diehl, Daniel T
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 W4DTD's current licensee, walking backwards.
- Diehl, Daniel TTNgranted 2023-02-18cancelled 2023-03-13
Successor callsigns
Callsigns held now by people who previously held W4DTD.
No current licensee on record previously held this callsign.