Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5WAR callsign genealogy
Currently held by Russell, William A
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 K5WAR's current licensee, walking backwards.
- Calfee, RyanTXgranted 2025-05-10cancelled 2025-07-01
Successor callsigns
Callsigns held now by people who previously held K5WAR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5WAR, oldest first.
- Russell, William A CO2012-08-15 → cancelled 2024-09-24
- Calfee, Ryan TX2025-07-01 active