The BoM has been in a bit of turmoil for some time. Over the past five years or so a number of cashed up opertors have wanted to pay for the installation and maintenance of an approved TAF AWIS/AWIB weather station. The unit within the bureau the provided the expertise to supply and install these systems was disbanded a few years back meaning some mining airports have resorted to the off the shelf Dick Smith all singing all dancing weather stations.