def stringScientificNotationToFloat(sn):
    """TLE Scientific notation converter

    num = stringScientificNotationToFloat(sn)

    Parameters
    ----------
    sn : string
        String from a TLE 

    Returns
    -------
    num : float
        Output the string as a float

    Author
    ------
    Shankar Kulumani		GWU		skulumani@gwu.edu

    References
    ----------
    Specific format is 5 digits, a + or -, and 1 digit, ex: 01234-5 which is
    0.01234e-5

    Examples
    --------
    An example of how to use the function

    >>> sn = '012345-5'
    >>> stringScientificNotationToFloat(sn)
    0.01234e-5
    """
    return 1e-05 * float(sn[:6]) * 10 ** int(sn[6:])
