Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7UOT callsign genealogy
Currently held by SADLER, CHRISTOPHER T
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 N7UOT's current licensee, walking backwards.
- Sadler, Christopher TAZgranted 2024-06-21cancelled 2024-07-16
Successor callsigns
Callsigns held now by people who previously held N7UOT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7UOT, oldest first.
- SADLER, CHRISTOPHER T AZ1991-10-22 → cancelled 2003-10-23
- Sadler, Christopher T AZ2024-07-16 active