Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI9RHC callsign genealogy
Currently held by Cairns, Robert H
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 WI9RHC's current licensee, walking backwards.
- CAIRNS, ROBERT HWIgranted 2020-03-02cancelled 2020-03-24
Successor callsigns
Callsigns held now by people who previously held WI9RHC.
- Cairns, Robert HWIgranted 2023-01-18