[IGSSTATION-9195] ZIM300CHE: Receiver change

[pnac at swisstopo.ch]

Author: PNAC team


Dear colleagues,

on 21-May-2026 we changed the receiver at the station ZIM300CHE from a TRIMBLE NETR9 to a TRIMBLE ALLOY. The new site log has been submitted to SLM.

Friendly reminder:
ZIM3 operates as an antenna-sharing receiver with ZIM2. ZIM2 is the official GNSS station integrated into our national GNSS network. ZIM3 may be used occasionally for testing or project‑specific receiver configurations. For all standard applications, we recommend to use ZIM2 instead of ZIM3.

Best regards,

PNAC team


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Permanent Network Analysis Center (PNAC)

Federal Office of Topography swisstopo

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