Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4SRB callsign genealogy
Currently held by COOK, IVAN L
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 K4SRB's current licensee, walking backwards.
- BENNETT, STANLEY RVAgranted 2013-02-07cancelled 2014-03-21
Successor callsigns
Callsigns held now by people who previously held K4SRB.
- COOK, IVAN LALgranted 2016-10-14
All historical holders
Every license row we've seen with the callsign K4SRB, oldest first.
- COOK, IVAN L FL1999-10-30 → cancelled 2006-12-08
- BENNETT, STANLEY R VA2023-12-23 active