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You will need a ground plane if you have an unbalanced feed line or surface conditions unsuitable for ground-mounted antennas. A ground plane is a form of a dipole antenna, making up half of the dipole. The setup is prevalent in many communication systems.
This clever bit of kit simulates the ground, and as the surface reflects radio waves, it creates a mirror image of the top half that appears on the Earth. It offers an omnidirectional pattern.
Pair this with your counterpoise kit, and you've got yourself the ideal setup. Shop Moonraker for equipment that works for you.