Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WE9OTF callsign genealogy
Currently held by Fahrenbach, Gregory J
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 WE9OTF's current licensee, walking backwards.
- Fahrenbach, Gregory JILgranted 2018-05-10cancelled 2018-06-01
Successor callsigns
Callsigns held now by people who previously held WE9OTF.
- Fahrenbach, Gregory JILgranted 2018-07-07