Friday, 1 February 2013

Aerial Photography of KAIRA

We just learnt that the MapSite of the Finnish National Land Survey (Maanmittauslaitos) has updated aerial photography from the Kilpisjärvi area where the Kilpisjärvi Atmospheric Imaging Receiver Array (KAIRA) is located. The images were taken in late summer 2012, and astonishingly one can just about make out the 3m x 3m ground planes of the LBA aerials in the circular area south of the HBA tiles.

The station in its current deployment is a partial so-called "LOFAR remote site." A LOFAR remote site contains 48 HBA tiles and 96 LBA crossed inverted-V dipoles. However, due to limitations of space, the team from Sodankylä Geophysical Observatory deployed only 48 LBA aerials at the KAIRA site. The remaining 48 aerials are at the moment thought to form SAIRA in the future, i.e. the Sodankylä Atmospheric Imaging Array.

You can find a high-resolution image of the KAIRA location on the MapSite directly. Clearly visible in that image is also the road from Kilpisjärvi in Finland to Skibotn in Norway, with the customs station at the southern edge of the frame. Note that the images are copyright of the Finnish National Land Survey.

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