One of the challenges of implementing a point-to-point link:
Positioning the antennas at the same height and point them
toward one another.
Recall that at least 60% of Fresnel zone must not be blocked.
Some basic tools for antenna alignment:
compass to position the antenna in the correct direction,
binoculars,
a means of communication, such as a walkie-talkie or a cellular
phone,
light source, such as a flashlight or laser pointer, if the distance
is reasonably shor