Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA3YGJ callsign genealogy
Currently held by Sebeck, Mark 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 KA3YGJ's current licensee, walking backwards.
- Sebeck, Mark APAgranted 2024-04-16cancelled 2024-05-29
Successor callsigns
Callsigns held now by people who previously held KA3YGJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA3YGJ, oldest first.
- Sebeck, Mark A PA2001-12-12 → cancelled 2014-01-15
- Sebeck, Mark A PA2024-05-29 active