From the right Václav Dosoudil and Jaroslav Boháč, Rügen, late 70s/early 1980s

Václav Dosoudil photographs a monitor of a Soviet-made portable Shilelis television. A special handmade tube is being used to block out the daylight. Rügen, late 70s/early 1980s

TV monoscopes, Rügen, late 70s/early 1980s

Václav Dosoudil, Rügen, late 70s/early 1980s

Karel Honzík, Rügen, late 70s/early 1980s

Antenna routing, Rügen, late 70s/early 1980s

Photo of the monitor in a tube. Probably a break in the Danish TV broadcast, Rügen, late 70s/early 1980s

Camp site of the listening expedition, Rügen, late 70s/early 1980s

On the left Václav Dosoudil, Rügen, late 70s/early 1980s

Václav Dosoudil and Jaroslav Boháč, Rügen, late 70s/early 1980s

A monitor apparently from Danish television photographed during a listening expedition, Rügen, late 70s/early 1980s

From the left Václav Dosoudil and Jaroslav Boháč, Rügen, late 70s/early 1980s

Members of a listening expedition going camping near Berlin, late 1970s/early 1980s

Camping with a radio in the woods near Berlin, late 1970s and early 1980s

Camping with a radio in the woods near Berlin, late 70s and early 80s

A sign marking the entrance to the ionosphere research station, Rügen, late 70s/early 1980s

DX Club members before entering the ionosphere research station, Rügen, late 70s/early 1980s

American army radio receiver RCA AR 88, which Václav Dosoudil bought in the 1980s

The oldest surviving photograph of the family - great-grandmother Františka Smetánková, nee. Jirásková from Šiškovice, born 1846, great-grandfather Václav Smetánka, born 1846 in Šiškovice No.2 (31), standing on the left grandfather Václav Smetánka, born 1888 Šiškovice No. 2, before WWI

Grandmother Růžena Smetánková, nee. Janečková of Strkov, born 1882, and grandfather Václav Smetánka, probably late 1930s, Šiškovice

Grandfather Václav Smetánka, father Ladislav Smetánka, born 1918, mother Emilie Smetánková, nee. Pilařová of Křižanovice, born 1920, and Vlasta Smetánková, 1947, Šiškovice

Maternal grandmother Anna Pilařová from Křižanovice, nee Chvojková, born 1894, with grandchildren: Vlasta Smetánková on the right, year 1952, Šiškovice

Grandfather František Pilař from Křižanovice No. 8, born in 1888, and grandmother Anna Pilařová with grandchildren: Vlasta Smetánková on the right, 1953, Křižanovice

Father Ladislav Smetanka, mother Emilie Smetanka, sister Marta Smetanka, born 1951 in Chrudim, Vlasta Smetanka, about 1953, Šiškovice

Father Ladislav Smetanka in Šiškovice No.2 (31) before 1957, before the establishment of the JZD