Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DLL callsign genealogy
Currently held by COLE, HARRY 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 W4DLL's current licensee, walking backwards.
- LAWSON, DAVID LTNgranted 2017-01-04cancelled 2017-07-25
Successor callsigns
Callsigns held now by people who previously held W4DLL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4DLL, oldest first.
- COLE, HARRY A FL1996-03-27 → cancelled 2000-06-11
- LAWSON, DAVID L TN2017-07-25 active