Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA0SSI callsign genealogy
Currently held by LADEWIG, MARIE T
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 KA0SSI's current licensee, walking backwards.
- LADEWIG, MARIE TCOgranted 2011-09-21cancelled 2020-10-10
Successor callsigns
Callsigns held now by people who previously held KA0SSI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA0SSI, oldest first.
- LADEWIG, FREDA J CO1994-05-24 → cancelled 2006-05-25
- LADEWIG, MARIE T CO2020-10-10 active