Noted on several Scandinavian SDRs. I believed at the time that it was not just an image within the receiver. Programming was English-language pop music with announcements by English-speaking female. A little tough to pick out what was being said above the noise until I heard the VOA signoff announcement and Yankee Doodle Dandy clearly just before TX off the air at 2200 UTC.
I checked a couple databases and the only place that VOA was supposed to be in English just before 2200 UTC was on 15580 and (notably) 6195 KHz. So it may have been a frequency selection error at the TX site, a spur from the TX or maybe it was actually a spur within the KiwiSDR. I guess the question is whether I can hear it again in successive days and whether I hear it on 6195 or 6210 or both.