Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB8UYU callsign genealogy
Currently held by KNOLL, DAVID J
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 WB8UYU'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 WB8UYU.
- KNOLL, DAVID JMIgranted 2014-01-02cancelled 2026-03-24