Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1IWW callsign genealogy
Currently held by DE MATTIA, JOYCE R
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 K1IWW's current licensee, walking backwards.
- DE MATTIA, JOYCE RMAgranted 2013-09-17cancelled 2017-10-06
Successor callsigns
Callsigns held now by people who previously held K1IWW.
No current licensee on record previously held this callsign.