One of my Sunday's loggings [7th of September 2008]:

6310,50: Studio 52 [?] (from the Netherlands) [tent] @ around 1545 onwards. SINPO 43343. Giving ID several times at 9th minute of the recording - I made (here is the 1,5 hour file):
http://www.radio.strefa.pl/UNID-STUDIO52[tent]7_09_2008-6310,50kHz-1545UTC-ram.ram