Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD4AWB callsign genealogy
Currently held by CRUSAN, JACK K
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 WD4AWB's current licensee, walking backwards.
- CRUSAN, JOHN FFLgranted 2011-08-24cancelled 2011-09-20
Successor callsigns
Callsigns held now by people who previously held WD4AWB.
- CRUSAN, JACK KFLgranted 2020-08-04
All historical holders
Every license row we've seen with the callsign WD4AWB, oldest first.
- CRUSAN, JACK K FL1997-04-01 → cancelled 2000-10-31
- CRUSAN, JOHN F FL2021-08-09 active