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New itch.io is now on YouTube!

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Generate shadow lines, sunrise arcs, full-year solar geometry — RTK-accurate and ready for SW Maps or Google Earth.
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Enter bearings, distances, auto-close the polygon, export a KML line.
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Create precise real-shadow KML sundials from any latitude and date — perfect for RTK, SW Maps, and solar alignment.
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Plot yearly analemma shadow path for fixed time using any pole or object.
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Calculate object height and generate safety rings automatically using RTK coordinates.
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Make precise RTK-ready point layouts for fences, vineyard , gardens.
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A location-accurate sundial generator that uses RTK GNSS precision.
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itch.io now on YouTube!