Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NA7TB callsign genealogy
Currently held by TOP BAND CLUB OF ARIZONA
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 NA7TB's current licensee, walking backwards.
- KI7GPGcancelledTop Band Club Of ArizonaAZgranted 2016-08-24cancelled 2016-09-13
Successor callsigns
Callsigns held now by people who previously held NA7TB.
No current licensee on record previously held this callsign.