Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4UZB callsign genealogy
Currently held by SINGLETARY, JAMES M
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 W4UZB's current licensee, walking backwards.
- Singletary, James MFLgranted 2011-08-19cancelled 2012-06-19
Successor callsigns
Callsigns held now by people who previously held W4UZB.
No current licensee on record previously held this callsign.