Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB4MJE callsign genealogy
Currently held by SHAW, RENE 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 WB4MJE's current licensee, walking backwards.
- Masker, Bart WFLgranted 2026-03-18cancelled 2026-06-23
Successor callsigns
Callsigns held now by people who previously held WB4MJE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB4MJE, oldest first.
- SHAW, RENE J FL2014-10-30 → cancelled 2024-07-03
- Masker, Bart W FL2026-06-23 active