Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK6FRF callsign genealogy
Currently held by Espiritu, Joseph Henry C
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 KK6FRF'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 KK6FRF.
- Espiritu, Joseph Henry CCAgranted 2013-08-13cancelled 2025-08-14