YYMMDD TEL     FILENAME   NZ EXPTIME SUM   MJD   SEC
190503  c2 22722505.fts    0 25.1992   1 58606 15858
190510  c2 22723330.fts   97 24.3145   1 58613 22338
190516  c2 22724142.fts   97 27.9985   1 58619 79421
190531  c2 22725816.fts    0 25.0942   1 58634 78437