Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7KU callsign genealogy
Currently held by JOHNSON, HEIDI 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 AC7KU's current licensee, walking backwards.
- WHEELWRIGHT, HEIDI JUTgranted 2000-09-29cancelled 2001-01-02
Successor callsigns
Callsigns held now by people who previously held AC7KU.
No current licensee on record previously held this callsign.