Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA9MCS callsign genealogy
Currently held by MCS AMATEUR 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 KA9MCS's current licensee, walking backwards.
- KD9YYXcancelledMCS AMATEUR RADIO CLUBINgranted 2023-09-28cancelled 2023-11-14
Successor callsigns
Callsigns held now by people who previously held KA9MCS.
No current licensee on record previously held this callsign.