Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4PIW callsign genealogy
Currently held by Thomas Jefferson Amateur Radio Club
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 KI4PIW'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 KI4PIW.
- W4TJTactiveThomas Jefferson Amateur Radio ClubVAgranted 2017-03-25