Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI7HEA callsign genealogy
Currently held by Dunlap, William C
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 KI7HEA's current licensee, walking backwards.
- Dunlap, William CWAgranted 2016-09-26cancelled 2017-05-26
Successor callsigns
Callsigns held now by people who previously held KI7HEA.
- Dunlap, William CWAgranted 2016-09-26cancelled 2017-05-26
All historical holders
Every license row we've seen with the callsign KI7HEA, oldest first.
- Dunlap, William C WA2016-09-26 → cancelled 2017-03-31
- Dunlap, William C WA2017-05-26 active