Input
 utc1
    Binary timestamp or relative binary timestamp.
 utc2
    Binary timestamp or relative binary timestamp.
    Output
 relation
    Receives the result of the comparison of utc1:utc2, where the
    result is an enumerated type with one of the following values:
    o  utc_equalTo
    o  utc_lessThan
    o  utc_greaterThan
    o  utc_indeterminate