Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF8EF callsign genealogy
Currently held by COSS, KENNETH E
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 KF8EF's current licensee, walking backwards.
- KB8EELno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KF8EF.
- COSS, KENNETH EMIgranted 2020-04-15