Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NI9A callsign genealogy
Currently held by FRIESNER, LOWELL M
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 NI9A's current licensee, walking backwards.
- Thomas, Kent MWIgranted 2021-03-23cancelled 2021-06-04
Successor callsigns
Callsigns held now by people who previously held NI9A.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NI9A, oldest first.
- FRIESNER, LOWELL M IN2010-06-09 → cancelled 2019-05-14
- Thomas, Kent M WI2021-06-04 active