Communications Tower

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   <default>Communications Tower</default>
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<label>Harvesting Nodes</label>

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Repairing the nearby radio tower may amplify your signal enough to contact the Vesper.

― PDA, Dialogue

Alterra communications tower is a structure on the Rocket Island. In the beginning of Act 3 the radio tower needs to be repaired using the Salvage from the Crashed Ship parts in the Tree Spires and the one in the Purple Vents.