Hence using this function with no input parameters disables any time selection. It is important to specify both the day and time portions for the start and stop time. Otherwise the day will default to the day with the modified Julian day of zero ie. If you want to fill in the current date for the day number you can preceed the time with a slash. This functions returns F if the selection could not be done.
Arguments start The beginning of the time range.
This example selects all the data that was observed on the last day of the millennium where any part of the observation was between 1.3GHz and 1.5GHz. See the example for the vlafiller constructor for a more complete discreption of other parts of this example.