Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB1MRC callsign genealogy
Currently held by RIVERO, MARCO
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 WB1MRC's current licensee, walking backwards.
- RIVERO, MARCOMAgranted 2019-07-08cancelled 2019-08-23
Successor callsigns
Callsigns held now by people who previously held WB1MRC.
No current licensee on record previously held this callsign.