RF Line Of Sight Calculator - Great Online Tool

A look at one of my favourite online tools. The RF Surface Elevation Tool lets you calculate the best line of sight for radio installations.
I have no doubt there are much more accurate and professional tools to do this job but I love this online tool for its simplicity and speed. Even if you're not planning a wireless link installation, it's just interesting to know what's in the way between one location and another.
Thanks for watching and please do let me know in the comments if you know of better tools and / or software that will do this job.
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