Reception of VOA Learning English via Udorn Thani & Tinang, July 28

USA(non)   VOA Learning English via Udorn Thani & Tinang, July 28:
1130-1200 on 12030 UDO 250 kW / 304 deg to SEAs English, very good
1130-1200 on 15715 PHT 250 kW / 283 deg to SEAs English, NO SIGNAL
1130-1200 on 17790 PHT 250 kW / 283 deg to SEAs English, fair/good
https://www.youtube.com/watch?v=kociwDSDKNw&feature=youtu.be