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Jim Ruff Antennas & Feeds CDR2/17/05
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EVLA Feed ConeCurrent Status
Feed Circle LayoutStructural DesignFeed MountingFeed Heaters
Cost
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Jim Ruff Antennas & Feeds CDR2/17/05
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Current Status
• Four built to date.– One mock-up.– Three installed. (Antennas 13, 14 & 16)
• Extrusions and Base Plates ordered for all.
• Panels Ordered for all.
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Antenna 13 Feed Cone
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Feed Circle
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Feed Circle ‘Rolled Out’
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Feed Cone Structure
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Feed Cone Being Installed in A13
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K-Band Feed Mount C, X, and Ku Similar
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Ka-Band Feed MountQ-Band Similar
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A14 Feed Cone and A13 Feed Mounts
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Feed Heaters
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Feed Cone Cost
Actual Production Feed Cone Costs. (Not included: Feed mounts, Feed Cone Floor, Skirt, ‘Combo Strips’, Feed Heaters, etc.)
$5550 Laminated Panels $275 Extrusions$1050 Base Plates$1125 Consumables$8000 Total
Assembly & Installation labor ~ 4 man-months