Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9RBS callsign genealogy
Currently held by Whalen Jr, Richard C
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 K9RBS's current licensee, walking backwards.
- Whalen Jr, Richard CILgranted 2025-11-21cancelled 2026-01-03
Successor callsigns
Callsigns held now by people who previously held K9RBS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9RBS, oldest first.
- SLAYTON SR, RICHARD B IN2012-11-14 → cancelled 2025-02-01
- Whalen Jr, Richard C IL2026-01-03 active