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MR0022-00: Elizabeth Hudd releasing the daily helium filled balloon & radiosonde at Halley Res. Station, Antarctica to record temperature, wind speed, humidity & pressure up to approx 20km. Taken at 10.30 am in Winter.© Mark Ryan |
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MR0022-00: Elizabeth Hudd releasing the daily helium filled balloon & radiosonde at Halley Res. Station, Antarctica to record temperature, wind speed, humidity & pressure up to approx 20km. Taken at 10.30 am in Winter.© Mark Ryan |