Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7MBR callsign genealogy
Currently held by ROBBINS, MARC
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 KB7MBR's current licensee, walking backwards.
- ROBBINS, MARCAZgranted 2018-04-30cancelled 2018-05-22
Successor callsigns
Callsigns held now by people who previously held KB7MBR.
- ROBBINS, MARCAZgranted 2020-05-05
All historical holders
Every license row we've seen with the callsign KB7MBR, oldest first.
- EDGBERT, MICHAEL W WA1990-12-04 → cancelled 2002-12-05
- ROBBINS, MARC AZ2018-05-22 → cancelled 2020-05-05