Listen to an unidentified dutch station on 1640 Khz at 1845 Utc with SINPO 24433 in United Kingdom. Plays some dutch music and announces testing 1,2,3 but no station name. Off at 1852 Utc.
No signal of the announced test on 6310 Khz +-30 Khz at 1840 Utc in United Kingdom.