Probably multiple sources - multiple broadcast stations. This list http://www.am-dx.com/lists/910sort.htm shows just 910 KHz stations in the Americas! Assuming it's a second harmonic, I count a dozen stations of 25 KW or more on that frequency. 73, ... Joe, W4TV On 11/2/2012 10:16 PM, Mike Waters wrote: > It can be heard in Japan and Canada?! Where could it be coming from? >> 73, Mike > www.w0btu.com > _______________________________________________ > Topband reflector - topband at contesting.com >