Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5CIR callsign genealogy
Currently held by Richardson, Carl W
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 K5CIR's current licensee, walking backwards.
- Richardson, Carl WMSgranted 2024-01-20cancelled 2024-02-13
Successor callsigns
Callsigns held now by people who previously held K5CIR.
- Richardson, Carl WMSgranted 2024-07-02cancelled 2025-03-18