Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1KFO callsign genealogy
Currently held by Ojeda, Karl Jerrenny F
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 W1KFO's current licensee, walking backwards.
- Ojeda, Karl Jerrenny FRIgranted 2017-07-18cancelled 2021-09-21
Successor callsigns
Callsigns held now by people who previously held W1KFO.
No current licensee on record previously held this callsign.