Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA9WIE callsign genealogy
Currently held by Swiader, Michael R
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 KA9WIE's current licensee, walking backwards.
- SWIADER JR, MICHAELILgranted 2007-04-30cancelled 2007-05-19
Successor callsigns
Callsigns held now by people who previously held KA9WIE.
- Swiader Sr, Michael RINgranted 2024-09-17
All historical holders
Every license row we've seen with the callsign KA9WIE, oldest first.
- Swiader, Michael R FL1996-04-22 → cancelled 2004-11-27
- SWIADER JR, MICHAEL IL2017-11-21 active