Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9AAR callsign genealogy
Currently held by Marshfield Area Amateur Radio Society
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 KC9AAR's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC9AAR.
- AA9USactiveMARSHFIELD AMATEUR RADIO SOCIETYWIgranted 2021-07-09