Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5IVR callsign genealogy
Currently held by Cooley 800, Robert I
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 K5IVR's current licensee, walking backwards.
- Cooley, Robert ILAgranted 2015-01-21cancelled 2015-02-18
Successor callsigns
Callsigns held now by people who previously held K5IVR.
No current licensee on record previously held this callsign.