A strange HF propagation beacon operates in the last few months on 10237.6 kHz CW. It repeats the message: "JO62SK 5W DIPOLE JO62SK COMMON AND PRECIOUS". The string JO62SK is probably a Maidenhead locator centered at Aldershof, a German town southeast of Berlin.
Listen to a sound recording of the beacon: COMMON AND PRECIOUS
Listen to a sound recording of the beacon: COMMON AND PRECIOUS