Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK7ZD callsign genealogy
Currently held by Trier, Stephen 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 KK7ZD's current licensee, walking backwards.
- Trier, Stephen CWAgranted 2004-10-19cancelled 2013-04-02
- KB8PWAno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KK7ZD.
No current licensee on record previously held this callsign.