k. The data on the bottom portion of the form shows the dates and heights for all objects and lights
shown to other stations from the observation station in the heading. These values are obtained from the
field books.
Transferred data and computations from the record book to the abstract must be checked and
initialed. Whenever nonreciprocal observations are made, the computation of the reduction to line and
the determination of corrected zenith distance are not required.
4-33
EN0593
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