Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4WSE callsign genealogy
Currently held by Shirah, Ryan
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 KF4WSE's current licensee, walking backwards.
- Shirah, RyanALgranted 2014-07-11cancelled 2017-01-24
Successor callsigns
Callsigns held now by people who previously held KF4WSE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4WSE, oldest first.
- SHIRAH, JANET C AL2008-01-29 → cancelled 2015-09-13
- Shirah, Ryan AL2017-01-24 active