Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA7MRM callsign genealogy
Currently held by ROMERO MIRABAL, MARTO
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 WA7MRM's current licensee, walking backwards.
- ROMERO MIRABAL, MARTOORgranted 2019-01-30cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held WA7MRM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA7MRM, oldest first.
- COOPER, CHARLES W CA1997-09-18 → cancelled 2009-09-19
- ROMERO MIRABAL, MARTO OR2019-02-20 active