Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7RBN callsign genealogy
Currently held by Williams, Heidi
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 KB7RBN's current licensee, walking backwards.
- WILLIAMS, HEIDINDgranted 2015-10-29cancelled 2015-11-28
Successor callsigns
Callsigns held now by people who previously held KB7RBN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB7RBN, oldest first.
- REDMOND, MARVIN J UT2002-09-24 → cancelled 2014-12-23
- Williams, Heidi UT2025-12-17 active