def split_loc_techs_transmission(transmission_string):
    """
    from loc::tech:link get out a dictionary of {loc_from:loc, loc_to:link, tech:tech}
    """
    loc, tech_link = transmission_string.split('::')
    tech, link = tech_link.split(':')

    return {'loc_from': loc, 'loc_to': link, 'tech': tech}