Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6MCC callsign genealogy
Currently held by NIEMIRA, REBECCA W
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 W6MCC's current licensee, walking backwards.
- NIEMIRA, REBECCA WCAgranted 2018-08-01cancelled 2022-01-07
Successor callsigns
Callsigns held now by people who previously held W6MCC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6MCC, oldest first.
- COLLEGE OF MARIN ARC CA2007-04-27 → cancelled 2019-04-09
- NIEMIRA, REBECCA W CA2022-01-07 active