On 6-7 June several amateur radio clubs got together and arranged the Stockholm Amateur Radio Field Day 8S0DAY on Gärdet. Gärdet is a recreation area close to the national park Djurgården, several embassies, museums, tv and radio media houses and a big harbour. The field day also icluded operations from the old iceship Sankt Erik, close to the Wasa Museum on Djurgården, for participitation in Museum Ships Weekend with the call 8S0HRA.
Hiro, 7K1PYG from Tokyo, a fan of QRP with his Yaesu FT-817 station
Robban, SM0TAE and Nisse, SM0FNV standing beside an otdoor airer that will be used as part of a 2 element quad antenna (!) invented by Tore, SM0DZB, President of SSA, the Swedish Amateur Radio Society.
See more photos here and how the ready-made quad antenna looks like.