Map Click — Place Sites
Site A — Transmitter
Site Alpha
33 ft
Site B — Receiver
Site Bravo
33 ft
Drag markers · click map · enter address · or use GPS
RF Band
VHF High (136–174 MHz) · λ≈1.8 m
Google Maps (optional)
Default satellite uses Esri World Imagery — free, no key.
Paste a Google Maps API key below to enable Google Satellite tiles.
About
Earth curvature (k=4/3) applied.
Buildings & vegetation not included.
Elevation: Open-Meteo (SRTM 90m).
Geocoding: ArcGIS → Photon → Nominatim.
GPS: browser Geolocation API.
Elevation Profile
Terrain
Site A
Site B
Clear
Blocked