Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK7YDN callsign genealogy
Currently held by Gepfrich jr, Thomas F
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 KK7YDN's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KK7YDN.
- Gepfrich jr, Thomas FWAgranted 2025-01-04