Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0SAU callsign genealogy
Currently held by St Ambrose University Amateur Radio Club
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 K0SAU's current licensee, walking backwards.
- KC0OGBcancelledSt Ambrose University Amateur Radio ClubIAgranted 2002-10-18cancelled 2002-11-15
Successor callsigns
Callsigns held now by people who previously held K0SAU.
No current licensee on record previously held this callsign.