Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN9CUU callsign genealogy
Currently held by Tewell, David 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 KN9CUU's current licensee, walking backwards.
- Tewell, David MINgranted 2025-01-22cancelled 2025-02-11
Successor callsigns
Callsigns held now by people who previously held KN9CUU.
No current licensee on record previously held this callsign.