Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA6YXI callsign genealogy
Currently held by HENDERSON, MARK B
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 KA6YXI's current licensee, walking backwards.
- Henderson, Mark BCAgranted 2014-07-23cancelled 2014-08-19
Successor callsigns
Callsigns held now by people who previously held KA6YXI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA6YXI, oldest first.
- HENDERSON, MARK B CA1990-12-04 → cancelled 2002-12-05
- Henderson, Mark B CA2024-08-31 active