Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA7C callsign genealogy
Currently held by HELBERG, ALLAN R
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 AA7C's current licensee, walking backwards.
- KA7RXHcancelledcancelled 1997-08-21
Successor callsigns
Callsigns held now by people who previously held AA7C.
No current licensee on record previously held this callsign.