Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4DJA callsign genealogy
Currently held by Alexander, Donald 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 K4DJA's current licensee, walking backwards.
- Alexander, Donald JALgranted 2017-07-27cancelled 2018-05-04
Successor callsigns
Callsigns held now by people who previously held K4DJA.
No current licensee on record previously held this callsign.