Confidence: Medium · Source: FCC ULS · As of 2026-09-15
W9FLX callsign genealogy
Currently held by Toggenburger, Felix K
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 W9FLX's current licensee, walking backwards.
- Toggenburger, Felix KFLgranted 2012-11-30cancelled 2014-08-05
Successor callsigns
Callsigns held now by people who previously held W9FLX.
No current licensee on record previously held this callsign.