DSET ^cpcu.spi.24.mo.bin
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UNDEF  -9999.
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TITLE  SPI at 24-mo time scale 
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XDEF 720 LINEAR  0.25  0.5
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YDEF 360 LINEAR -89.75  0.5
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ZDEF   1 LINEAR  1 1 
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TDEF 1 LINEAR Nov2021 1mo
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VARS 1
p 1 00 spi
ENDVARS