Site (station location) Macquarie Island, Australia Instrument Type Sonde Parameter Ozone Model ECC Instrument Status Active Periods of Activity 1994 –present Cooperating Institutions BOM Data Link Ames Metadata File https://www-air.larc.nasa.gov/pub/NDACC/PUBLIC/meta/o3sonde/Macquarie_o3snd_mt_2025.pdf M&A Directory Entry M. Tully (Bureau of Meteorology) — Weekly ECC sondes year-round since 1994.