Estimates, not measurements
Everything this site draws is a model output. It is provided for information and research, without warranty of any kind, and it is not a measurement, not a compliance assessment and not medical, legal or property advice. Do not base a purchasing decision, a health decision or a regulatory dispute on these values without an independent measurement from a qualified service.
No warranty
The software and the data snapshot are provided "as is". Antenna inventories are updated quarterly by the federal authorities and the local snapshot may be older than that; sector azimuths come from a third-party derived snapshot whose coverage is partial, and panel beamwidth, the width of the arc each fan is drawn across, down-tilt and per-sector power are assumptions rather than values from the source data. Interruptions, inaccuracies and omissions are possible, and no liability is accepted for their consequences.
Third-party data and attribution
Base map tiles and their copyright belong to the OpenStreetMap contributors and are used under the Open Database Licence, with attribution shown on the map. Antenna inventory data is published by the Swiss Confederation through geo.admin.ch and opendata.swiss, and remains subject to the terms published with that data. Place and address search uses the Swiss federal geocoding service through api3.geo.admin.ch. Nothing on this page overrides those terms.
Your data
There is no account, no cookie, no analytics script and no server-side storage in this build. Searching sends only the text you type to the federal geocoding service so that it can return a place; "Locate me" asks your browser for your position and uses it only to centre the map, entirely inside the page. The antenna data, the fonts and the map library are all served from this same site rather than fetched from a content network or a font host, which leaves the basemap tiles — requested from OpenStreetMap's own servers, as they are by any map drawn on OpenStreetMap — as the only request the page makes while you are simply looking at it. Nothing about you is collected, profiled or shared, and nothing you type is retained.
Reuse
The map interface may be linked to, quoted and used freely for non-commercial information and research, with a link back to this site and the attributions above kept intact. Bulk redistribution of the antenna dataset should be taken from the official federal source rather than from this snapshot, so that recipients get the current version and the official terms.
Open questions and corrections
If a value on this map contradicts an official published source, the official source is the correct one. Reports of mismatches, rendering problems or accessibility barriers are genuinely useful and are the fastest way to improve the site.