GNSS Planning Map -DOP,RTK,GPS
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Description
GNSS Planning Map shows you, before you leave the office, when and where satellite geometry (DOP) will be good or poor. Drag a time-travel slider and watch a DOP heatmap turn green or red across the map — so you never arrive on site only to find the constellation is too weak to get a fix.
Try every feature free for the first month, right on your phone.
[ Main features ]
DOP forecast heatmap: see how PDOP and the visible-satellite count change through the day across an area, from green (good) to red (poor).
Time-travel slider: jump to "next Thursday 14:30" and read the sky instantly. Orbits come from CelesTrak TLE with SGP4/SDP4 propagation.
Tap any point for an instant GO / NO-GO: PDOP, satellite count, and a per-constellation breakdown for that exact site and time.
Configurable rules: turn each constellation on/off (GPS, QZSS, GLONASS, Galileo, BeiDou, NavIC), set the elevation mask, minimum satellites and a PDOP limit. Presets for public survey and UAV RTK.
PDF work-order / evidence export (Pro): save a site and its recommended work windows as a one-page report.
Field-ready: once data is cached the forecast works offline.
[ Who it is for ]
Land surveyors, UAV / drone mapping and inspection teams, and GIS / infrastructure crews who plan RTK/PPK sessions and want to avoid wasted trips and reschedules.
[ Honest notes ]
The core forecast (orbits to DOP to heatmap) is global and works anywhere. This app is a planning aid based on orbital prediction; it does not guarantee field results — always verify on site.
Terms of use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/