Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4FAF callsign genealogy
Currently held by DE LA TORRE, OTTO I
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 KF4FAF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KF4FAF.
- DE LA TORRE, OTTO IFLgranted 2005-09-08cancelled 2009-05-08