Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4OFS callsign genealogy
Currently held by Gomez Velazquez, Sergio
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 KP4OFS's current licensee, walking backwards.
- Gomez Velazquez, SergioPRgranted 2017-08-07cancelled 2020-09-22
Successor callsigns
Callsigns held now by people who previously held KP4OFS.
No current licensee on record previously held this callsign.