Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4TTW callsign genealogy
Currently held by Young, Delbert R
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 WB4TTW'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 WB4TTW.
- Young, Delbert RKYgranted 2013-06-04cancelled 2025-06-05