Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4ICB callsign genealogy
Currently held by Sullivan, Robert L
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 KK4ICB'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 KK4ICB.
- Sullivan, Robert LOHgranted 2012-06-22cancelled 2015-04-14