Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NA7DB callsign genealogy
Currently held by SAGUARO AMATEUR REMOTE BASE ASSOC INC
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 NA7DB's current licensee, walking backwards.
- KG7YSIcancelledSAGUARO AMATEUR REMOTE BASE ASSOC INCAZgranted 2015-11-06cancelled 2015-12-11
Successor callsigns
Callsigns held now by people who previously held NA7DB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NA7DB, oldest first.
- BROWN, JOHN D AZ2006-08-25 → cancelled 2013-12-19
- SAGUARO AMATEUR REMOTE BASE ASSOC INC AZ2025-12-03 active