tentative
on 4010,0- strong, but hum (from far away QRM I think)
1738 pop, 1740 same song, talking in Dutch,music part, something wrong?,
1741 only a carrier on 4010,2-
on 4030,0-
1746 Dutch song, 1749 synthe, modulation level strong or very weak
1804 very strong, Dutch music