Skeleton Slot Yagi Stack

by 4s6ggs in Circuits > Wireless

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Skeleton Slot Yagi Stack

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2m Skeleton Slot yagi Stack

145MHz Skeleton Slot yagi Stack 145MHz Slot yagi

The skeleton slot was developed in the UK for TV use soon after WW2. Someone had worked with
slot aerials on aircraft, and the use of a half wave vertical slot in a very large piece of sheet metal, results in radiation very much the same as a horizontal dipole. They then set out to find out how much you could reduce the metal around the slot, and have it still radiate. Pictures of 2m version

The skeleton slot provide an ingenious to feed two stack yagi antennas her is my design

Skeleton Slot Radiator

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Skeleton Slot Radiator Loop

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Tapered Matching Section

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This antennas efficiently and achieve a good impedance match.

Making the Element Holder EH789

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Main Mast Bracket MB456

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Main Boom Spacing MM123

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Element Length ER-ED4

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​Element Mounting to Boom

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Check all dimensions for proper placement on the boom and element

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