Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3OFX callsign genealogy
Currently held by Siksa, Robert A A
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 K3OFX's current licensee, walking backwards.
- Siksa, Robert APAgranted 2011-06-28cancelled 2011-07-16
Successor callsigns
Callsigns held now by people who previously held K3OFX.
No current licensee on record previously held this callsign.