Confidence: Medium · Source: FCC ULS · As of 2026-09-10
KB3TO callsign genealogy
Currently held by JOSEPH, WARREN S
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 KB3TO's current licensee, walking backwards.
- WA3QNXno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KB3TO.
- JOSEPH, WARREN SAZgranted 2019-10-08