The Hornsund research station has been permanently manned by members of the Polish Academy of Sciences since 1978. The station has a permanent staff of 11.

The Stanisław Siedlecki Polar Station in Hornsund was established during the International Geophysical Year of 1957-58 and was turned into a permanently manned station 20 years later.

The station can accommodate up to 20 visiting researchers in addition to its permanent staff. Researchers from Poland as well as the Czech Republic, Luxemburg, Slovakia and the United Kingdom visited Hornsund in 2015. The station consists of laboratories, kitchen facilities, dormitories, a workshop, a boathouse and storage rooms. A total of 6,300 man-days were spent at the Hornsund station in 2015.

Hornsund is usually accessed by boat, when weather and ice conditions allow.

Research in Hornsund
The station is run efficiently and supplied by modest research vessels, bringing the operational costs down to a minimum. The cost pr. scientific publication originating in Hornsund is estimated to 100,000 Polish Zloty (PLN), or NOK 240,000, which covers salaries as well as station and other logistics costs, including transportation.
Research and monitoring programs run year-round on the following topics:

- Meteorology (WMO 01003 monitoring station, part of Norwegian network)
- Seismology (part of Polish monitoring network)
- Earth magnetism (part of INTERMAGNET global network)
- Ionosphere
- Glaciology (data from the Hansbreen glacier is submitted to the World Glacier Monitoring Service)
- Atmospheric physics and optics (data submitted to AERONET and NASA)
- Environment

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