Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7AYX callsign genealogy
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 KA7AYX's current licensee, walking backwards.
- HARTT, JAY PIDgranted 2019-07-03cancelled 2019-09-06
Successor callsigns
Callsigns held now by people who previously held KA7AYX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA7AYX, oldest first.
- Hartt, Jay P ID2019-09-06 active
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