Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT9N callsign genealogy
Currently held by Fristad, Arvid C
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 KT9N's current licensee, walking backwards.
- Fristad, Arvid CVAgranted 2003-07-29cancelled 2005-07-12
Successor callsigns
Callsigns held now by people who previously held KT9N.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KT9N, oldest first.
- VANDERBEEK, WILLARD F IL1987-11-03 → cancelled 1999-11-04
- Fristad, Arvid C VA2025-07-09 active