a MW free band logs:

1629,50: UNID station @ 20.35. SINPO 31222. A station playing Greek music.

1634,40: UNID station @ 20.38. SINPO 21121.

1643,80: UNID station @ 20.25. SINPO 33233. A station playing Greek music and some Greek talk as well. Here is the recording:
http://www.radio.strefa.pl/UNID_1643,80kHz-23-02-2009.mp3

1665: UNID station @ 20.40. SINPO 11111.

1688,20: UNID station @ 20.44. SINPO 21221.

1717,40: UNID station @ 20.06. SINPO 32233. A station playing Greek music. Here is a short recording:
http://www.radio.strefa.pl/UNID_1717,40kHz-23-02-2009.MP3

1729: UNID station @ 19.48. SINPO 42443. A station playing Balcan music - a talk by a man (a South Slavonic language). Here is a short recording:
http://www.radio.strefa.pl/UNID_1729kHz-23-02-2009a.mp3

1745,20: UNID station @ 20.16. SINPO 22232. A station playing Greek music.