Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4DJT callsign genealogy
Currently held by Tarbox, Douglas J
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 K4DJT's current licensee, walking backwards.
- Tarbox, Douglas JFLgranted 2013-04-19cancelled 2013-05-24
Successor callsigns
Callsigns held now by people who previously held K4DJT.
No current licensee on record previously held this callsign.