So our amateur radio "Wi-Fi" (+similar protocols) group has gotten access to the roof of a large building where we plan to install mounts outside the walls of the concrete-walled elevator shack for our smaller antennas.
We have heavy-duty mounts - http://www.ventevinfra.com/ shop/files/products/towers--site-hardwareb/mounting- solutions/Universal%20Wall%20Mount%20Series.pdf - and I've done this quite a bit at work for smaller antennas (1ft-2ft dishes). But at this site we have another ham group that wishes to install a massive antenna, a 20ft long vertical omni. Does anyone know if having the above pair of mounts lag-bolted (2 inches deep?) into concrete is strong enough to guarantee no issues with that huge antenna, or would we need to drill through the concrete and put a plate on the other side instead?
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