Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7SH callsign genealogy
Currently held by Ohlsen, Ken A
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 AC7SH's current licensee, walking backwards.
- Ohlsen, Ken AWAgranted 1995-09-25cancelled 2002-04-05
Successor callsigns
Callsigns held now by people who previously held AC7SH.
- Ohlsen, Ken AWAgranted 2024-10-02