Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0PIR callsign genealogy
Currently held by PIERRE 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 W0PIR's current licensee, walking backwards.
- KB0SEYcancelledPIERRE AMATEUR RADIO CLUBSDgranted 1995-04-24cancelled 2001-01-13
Successor callsigns
Callsigns held now by people who previously held W0PIR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0PIR, oldest first.
- TROTTER, MARGARET B AZ1988-12-06 → cancelled 2000-12-07
- PIERRE AMATEUR RADIO CLUB SD2022-12-10 active