Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3IRB callsign genealogy
Currently held by Johnson, Jason
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 K3IRB's current licensee, walking backwards.
- Johnson, JasonDEgranted 2024-03-15cancelled 2024-04-09
Successor callsigns
Callsigns held now by people who previously held K3IRB.
- Johnson, JasonLAgranted 2024-09-06