Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1UPP callsign genealogy
Currently held by WPI 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 KB1UPP'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 KB1UPP.
- W1LNLactiveWPI LnL Radio ClubMAgranted 2020-07-14