A reconfigurable antenna comprises a panel having a liquid metal pump coupled to a power supply; a liquid metal reservoir in fluid communication with the pump; one or more channels for transporting the liquid metal, each of the one or more channels having a proximal end in fluid communication with the pump, each of the one or more channels having a vent at a distal end, wherein application of power to the pump moves the liquid metal into or out of the channels thereby reconfiguring the antenna. The pump may be a pneumatic pump or a magnetohydrodynamic pump, and a layer of a phosphonic acid may be included on the liquid metal-bearing surfaces of the channels. The phosphonic acid may be decylphosphonic acid (DPA), fluorobenzylphosphonic acid (FPA), or difluorobenzylphosphonic acid (DFPA), and one or more sensors may be coupled to the panel for determining the position of the liquid metal in the channels.
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