Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA9SSB callsign genealogy
Currently held by Alport, Bertram J
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 KA9SSB's current licensee, walking backwards.
- Ludtke, AmandaTXgranted 2015-01-06cancelled 2015-02-13
Successor callsigns
Callsigns held now by people who previously held KA9SSB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA9SSB, oldest first.
- Alport, Bertram J IL2005-02-08 → cancelled 2014-08-09
- Ludtke, Amanda WA2024-12-27 active