Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ5IJF callsign genealogy
Currently held by Cobb, Johnathan
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 KJ5IJF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KJ5IJF.
- Cobb, JohnathanTXgranted 2024-10-16cancelled 2024-12-03