Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC9GVW 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 KC9GVW's current licensee, walking backwards.
- Grahn, Timothy CWIgranted 2015-02-10cancelled 2023-05-05
Successor callsigns
Callsigns held now by people who previously held KC9GVW.
- Grahn, Timothy CWIgranted 2015-02-10cancelled 2023-05-05
All historical holders
Every license row we've seen with the callsign KC9GVW, oldest first.
- Grahn, Timothy C ND2004-11-22 → cancelled 2015-02-10
- Grahn, Timothy C WI2023-05-05 active