Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7ULA callsign genealogy
Currently held by Waldo, Michael 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 N7ULA's current licensee, walking backwards.
- Waldo, Michael TAZgranted 2023-07-21cancelled 2023-08-22
Successor callsigns
Callsigns held now by people who previously held N7ULA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7ULA, oldest first.
- Waldo, Michael K AZ2011-09-13 → cancelled 2021-08-23
- Waldo, Michael T AZ2023-08-22 active