Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0OTF callsign genealogy
Currently held by FARRELL, TOD 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 K0OTF's current licensee, walking backwards.
- Farrell, Tod JTXgranted 2017-08-15cancelled 2017-09-02
Successor callsigns
Callsigns held now by people who previously held K0OTF.
- Farrell, TOD JTXgranted 2017-10-03