Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA9DAD callsign genealogy
Currently held by STEWART, JEFFREY S
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 KA9DAD's current licensee, walking backwards.
- Howard, JamesWIgranted 2026-04-23cancelled 2026-05-19
Successor callsigns
Callsigns held now by people who previously held KA9DAD.
- STEWART, JEFFREY SINgranted 2021-07-13
All historical holders
Every license row we've seen with the callsign KA9DAD, oldest first.
- STEWART, JEFFREY S IN2017-09-29 → cancelled 2021-07-13
- Howard, James WI2026-05-19 active