Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4DZL callsign genealogy
Currently held by Harvey III, John W
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 K4DZL's current licensee, walking backwards.
- Harvey III, John WGAgranted 1996-05-28cancelled 2004-04-06
Successor callsigns
Callsigns held now by people who previously held K4DZL.
No current licensee on record previously held this callsign.