Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ4TY callsign genealogy
Currently held by Harlin, David C
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 KZ4TY's current licensee, walking backwards.
- Harlin, David CTNgranted 2025-04-15cancelled 2025-06-13
Successor callsigns
Callsigns held now by people who previously held KZ4TY.
- Harlin, David CTNgranted 2026-01-17