Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NA1SS callsign genealogy
Currently held by INTERNATIONAL SPACE STATION AMATEUR RADIO CLUB 1
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 NA1SS's current licensee, walking backwards.
- KB3FLDcancelledINTERNATIONAL SPACE STATION AMATEUR RADIO CLUB 1MDgranted 2000-09-07cancelled 2000-10-11
Successor callsigns
Callsigns held now by people who previously held NA1SS.
No current licensee on record previously held this callsign.