Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7MBA callsign genealogy
Currently held by COLVIN, RODNEY V
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 K7MBA's current licensee, walking backwards.
- Williams, Mark AWAgranted 2013-11-26cancelled 2015-10-09
Successor callsigns
Callsigns held now by people who previously held K7MBA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7MBA, oldest first.
- COLVIN, RODNEY V WA1987-09-29 → cancelled 1999-09-30
- Williams, Mark A WA2025-07-17 active