Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3IIU callsign genealogy
Currently held by Heard 82, William B
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 K3IIU's current licensee, walking backwards.
- Heard, William BMDgranted 2012-06-20cancelled 2018-02-27
Successor callsigns
Callsigns held now by people who previously held K3IIU.
No current licensee on record previously held this callsign.