Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6UPL callsign genealogy
Currently held by THE EDMONTON MUTTART AMATEUR RADIO ASSOCIATION, INC.
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 W6UPL's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W6UPL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6UPL, oldest first.
- ROBERTS, ARTHUR J CA2008-07-19 → cancelled 2020-07-21
- THE EDMONTON MUTTART AMATEUR RADIO ASSOCIATION, INC. ID2025-03-04 active