6924.9 AM (approx.), my first catch of WMPR.
1425 UTC: Rhythmic music, chanting, very faint, fades to inaudible, no help switching to LSB/USB.
1430z: Clear "WMPR" voice ID.
1438z: Faded, carrier barely audible now.
1442z: Two "WMPR" ID's heard clearly despite noise and fades, music barely audible.
SINPO - 24211 (N. Central TX)