Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7SAX callsign genealogy
Currently held by MARTIN, NATHAN B
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 K7SAX's current licensee, walking backwards.
- Fox, Harold EORgranted 2016-04-28cancelled 2016-09-20
Successor callsigns
Callsigns held now by people who previously held K7SAX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7SAX, oldest first.
- MARTIN, NATHAN B MT2000-12-27 → cancelled 2012-12-28
- Fox, Harold E OR2026-07-11 active