Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA5C callsign genealogy
Currently held by BANNER, MARC 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 KA5C's current licensee, walking backwards.
- DE HAAS, KOURTNEY RTXgranted 2021-11-05cancelled 2022-05-06
Successor callsigns
Callsigns held now by people who previously held KA5C.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA5C, oldest first.
- BANNER, MARC S TX1998-03-26 → cancelled 2010-03-27
- HENDRICKS, MICHAEL W NM2010-04-16 → cancelled 2022-04-19
- DE HAAS, KOURTNEY R TX2022-05-06 active