Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1UPR callsign genealogy
Currently held by Frank Darmofalski W1FD Scholarship Fund
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 KB1UPR'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 KB1UPR.
- W1FDactiveFrank Darmofalski W1FD Scholarship FundCTgranted 2020-11-13