def gps_to_utc(gps):
    # GPS time as is done in timeconvert.py
    iers.IERS_A_URL = 'https://datacenter.iers.org/data/9/finals2000A.all'
    #logger.debug(iers.IERS_A_URL)
    utctime = Time(gps, format='gps', scale='utc').fits
    # remove (UTC) that some astropy versions leave on the end
    if utctime.endswith('(UTC)'):
        utctime = strptime(utctime, '%Y-%m-%dT%H:%M:%S.000(UTC)')
        utctime = strftime('%Y-%m-%dT%H:%M:%S', utctime)
    else:
        utctime = strptime(utctime, '%Y-%m-%dT%H:%M:%S.000')
        utctime = strftime('%Y-%m-%dT%H:%M:%S', utctime)
    return utctime