Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DT callsign genealogy
Currently held by SHANKS, RICK A
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 K4DT's current licensee, walking backwards.
- SHANKS, RICK ANCgranted 2019-06-05cancelled 2026-08-04
Successor callsigns
Callsigns held now by people who previously held K4DT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DT, oldest first.
- LANGFORD, WILLIAM L AL2014-04-24 → cancelled 2026-07-17
- SHANKS, RICK A NC2026-08-04 active