ZS-ZWZfrom 10 Aug 2019 to 27 Sept 2021 · 1 contacts
UR-SQMfrom 1 Sept 2022 to 2 Nov 2022 · 11 contacts
These registrations share the same serial number and type according to the reference data. Serial numbers can collide, though: it is a deduction, not a certainty.
Observed callsigns
WMT (75 contacts, 2023-2024) · MBU (20 contacts, 2023) · TAR (5 contacts, 2026)
Operator as per the registry of 12 Oct 2026; observed callsigns are the freshest measurement.