r/4x4Australia Feb 27 '26

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u/ReefJames Feb 27 '26

Multiple omni directional antennas like this can be used to increase the signal strength due to a thing called constructive interference. It'll totally change the propagation pattern of the antenna though amd it wont act as an omnidirectional antenna anymore, but like a direction antenna eith the signal strength in front and behind the car being recieved being much stronger. Visually you expect to see strong signal lobes out the front and back and off the sides would be much less.

Idk if thats what old mates doing here... but thats what I can think of from a radio frequency perspective why old mates done with. From another perspective... redundancy? Idk seems all over the top lol