Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0U callsign genealogy
Currently held by STULTZ, KAREN E
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 AD0U's current licensee, walking backwards.
- STULTZ, KAREN EIAgranted 1999-04-21cancelled 2002-10-16
Successor callsigns
Callsigns held now by people who previously held AD0U.
No current licensee on record previously held this callsign.