Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE0CZS callsign genealogy
Currently held by Grahn, Timothy 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 KE0CZS's current licensee, walking backwards.
- Grahn, Timothy CWIgranted 2023-05-05
Successor callsigns
Callsigns held now by people who previously held KE0CZS.
- Grahn, Timothy CWIgranted 2023-05-05