Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB4DK callsign genealogy
Currently held by Knight, Dale E
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 AB4DK's current licensee, walking backwards.
- Knight, Dale ETNgranted 2013-09-27cancelled 2017-04-18
Successor callsigns
Callsigns held now by people who previously held AB4DK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB4DK, oldest first.
- CURENTON, CYRUS A AL1987-09-15 → cancelled 1999-09-16
- Knight, Dale E TN2017-04-18 active