For this award you need to work 25 Finnish stations, which are located nearer than 100 meters from a lake or which are in a boat on a lake. Stickers are available for 50, 100, 200, 300, 400, 500 and 1000 lakes.
OHA-1000, OHA-2500 and OHA-5000 are available for 1000, 2500 and 5000 worked Finnish stations. These are beautiful plaques made by wood. Stickers are available for each new 250 worked stations for each plaque.
The Finnish Amateur Radio League (SRAL) published this award in 1967 for the 50th independence day of Finland. Finnish stations need to work 500 different Finnish stations. Europeans have to work 250 different Finnish stations. DX stations need to work 125 different Finnish stations.
Finnish stations have to work 600 different Finnish stations such that all ten call areas are worked on five separate bands. Europeans need to work 300 different Finnish stations such that all ten call areas are worked on two separate bands. DX stations need to work 150 different Finnish stations such that five call areas are worked on three separate bands.