Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB1FRU callsign genealogy
Currently held by SENSINTAFFAR, JACK D
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 WB1FRU'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 WB1FRU.
- SENSINTAFFAR, JACK DKSgranted 2011-06-14cancelled 2014-09-03