Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC9HHX callsign genealogy
Currently held by Kammen, Carolyn 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 KC9HHX's current licensee, walking backwards.
- Kammen, Carolyn JWIgranted 2005-03-08cancelled 2005-03-22
Successor callsigns
Callsigns held now by people who previously held KC9HHX.
- Kammen, Carolyn JWIgranted 2026-07-02