Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1RFE callsign genealogy
Currently held by CHARTIER, JOSEPH 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 W1RFE's current licensee, walking backwards.
- Mizuno, ShuichiMAgranted 2026-03-20cancelled 2026-07-10
Successor callsigns
Callsigns held now by people who previously held W1RFE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1RFE, oldest first.
- CHARTIER, JOSEPH R FL2004-08-26 → cancelled 2016-08-27
- Mizuno, Shuichi MA2026-07-10 active