Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA8TAC callsign genealogy
Currently held by EDLER, GERALDINE A
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 KA8TAC's current licensee, walking backwards.
- Holtz, TimothyILgranted 2020-08-10cancelled 2020-08-28
Successor callsigns
Callsigns held now by people who previously held KA8TAC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA8TAC, oldest first.
- EDLER, GERALDINE A MI2005-10-20 → cancelled 2017-12-09
- Holtz, Timothy IL2020-08-28 active