Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA2USA callsign genealogy
Currently held by CHAMBERLAIN, KIRK E
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 KA2USA's current licensee, walking backwards.
- Kazusa, OdekiNMgranted 2021-04-19cancelled 2023-10-03
Successor callsigns
Callsigns held now by people who previously held KA2USA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA2USA, oldest first.
- CHAMBERLAIN, KIRK E FL2011-06-22 → cancelled 2023-08-29
- Kazusa, Odeki NM2023-10-03 active