Tetrapak Slotted Waveguide antenna

Pictures

Dimensions

Calculate the dimensions with the XLS file here.

Put an N connector to it.

Put aluminium tape to connect the boxes.

Put it in a plastic bag. Or even PVC tube.

Fiber glass mast at 5EUR.

See my other prototype made out of printing offset aluminium sheets:

A french radio-amateur is putting the tape in the middle of the guide, where the impact on the performance is minimal:

Check also this one made in Thailand (64 slots, 27 dBi), crazzy stuff:

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