Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC4ZDE callsign genealogy
Currently held by WRIGHT, FRANK 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 KC4ZDE's current licensee, walking backwards.
- Cummings, Craig CFLgranted 2010-09-16cancelled 2018-11-24
Successor callsigns
Callsigns held now by people who previously held KC4ZDE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4ZDE, oldest first.
- WRIGHT, FRANK J FL2001-01-17 → cancelled 2013-04-17
- Cummings, Craig C FL2018-11-24 active