Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9SRH callsign genealogy
Currently held by HAYES, ROBERT D
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 KB9SRH's current licensee, walking backwards.
- Hayes, Robert DINgranted 2023-04-20cancelled 2023-05-09
Successor callsigns
Callsigns held now by people who previously held KB9SRH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9SRH, oldest first.
- HAYES, ROBERT D IN2008-02-08 → cancelled 2020-04-28
- Hayes, Robert D IN2023-05-09 active