PA0O ham radio

Yesterday evening at SS/SR peak 1832kHz  ZL3IX  not a ping here using the K9AY. Its already one month ago I heard and worked Greg with excellent signals. Since then the low bands are wiped out here. I had some issues with the  K9AY  cable was cut  luckily close to the mast connection. Earth connection loose.  tried another 1:9 transformer. Last thing  the terminating metal-film R 470ohm replaced.  it was hi-R, no visible damage.  Everything looks good directivity is normal. Noise level increase normal when connected. Receiving MW 747kHz local BC  +80dB  and directivity here is clearly present. But it will not receive 475kHz strange enough. The Flex1500 panorama shows only garbage signals. I had good results receiving 502kHz in the past with this loop. The vertical antenna is receiving much better at 475kHz Last night it was a bit better night for 475kHz USA decodes become weaker and weaker. Hope for a dec...