sand load

sand load

[′san ‚lōd]
(electromagnetism)
An attenuator used as a power-dissipating terminating section for a coaxial line or waveguide; the dielectric space in the line is filled with a mixture of sand and graphite that acts as a matched-impedance load, preventing standing waves.
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References in periodicals archive ?
However, with the shoreline enhancement that has occurred in Ocean City in the time since 1968, the sand load over the pipe has been documented to be up to a maximum depth of 21 feet underneath the dunes.