Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6RFO callsign genealogy
Currently held by Robert Ferguson Observatory Radio Club
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 W6RFO's current licensee, walking backwards.
- KO6DAYcancelledRobert Ferguson Observatory Radio ClubCAgranted 2024-01-31cancelled 2024-02-21
Successor callsigns
Callsigns held now by people who previously held W6RFO.
No current licensee on record previously held this callsign.