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$\displaystyle NQL$ $\displaystyle =$ number points for local potential  
$\displaystyle DELQL$ $\displaystyle =$ distance between grid points for local potential  

These tags determine the grid for the local potential in reciprocal space. If you want to avoid incompatibilities with VAMP, NQL must be 1000, this is also the default value. Default for DELQL is 0.05, the actual spacing is 2/RCORE DELQL $ \times$1/a.u.

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