Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1AA callsign genealogy
Currently held by SYSTEM A.V. RADIO CLUB
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 KA1AA's current licensee, walking backwards.
- KC2LSXcancelledFine Business Network Radio ClubNYgranted 2003-06-30cancelled 2003-07-22
Successor callsigns
Callsigns held now by people who previously held KA1AA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA1AA, oldest first.
- HANNON, EDWARD A MA1989-11-14 → cancelled 2001-12-18
- SYSTEM A.V. RADIO CLUB WA2025-05-28 active