Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NA4CU callsign genealogy
Currently held by TOEPFER, DIRK
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 NA4CU's current licensee, walking backwards.
- TOEPFER, DIRKFLgranted 2026-05-20cancelled 2026-06-15
Successor callsigns
Callsigns held now by people who previously held NA4CU.
- TOEPFER, DIRKFLgranted 2026-07-10