Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB1USN callsign genealogy
Currently held by WITKIN, JOSEPH B
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 WB1USN's current licensee, walking backwards.
- HOWARD, FRANK RVAgranted 2001-10-12cancelled 2009-08-25
Successor callsigns
Callsigns held now by people who previously held WB1USN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB1USN, oldest first.
- WITKIN, JOSEPH B CT2001-04-06 → cancelled 2002-09-30
- HOWARD, FRANK R VA2019-06-05 active