Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MBM callsign genealogy
Currently held by Sanchez, Jay 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 W4MBM's current licensee, walking backwards.
- Sanchez, Jay MVAgranted 2023-05-19cancelled 2023-09-26
Successor callsigns
Callsigns held now by people who previously held W4MBM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4MBM, oldest first.
- MURRAY, NELSON A TN1995-07-03 → cancelled 2004-06-24
- Sanchez, Jay M FL2023-09-26 active