RHC in Spanish after 06UT on unscheduled 5040 Bauta, September 20

CUBA   Radio Habana Cuba in Spanish after 06UT on unscheduled 5040 kHz via Bauta, September 20:
from 0457 on  5040 BAU 100 kW / 083&263 to Cuba Spanish. Very good signal via SDR Boca Raton FL
0600-0605 on  5040 BAU 100 kW / 083&263 to Cuba Spanish. Very good and off the air via same SDR
At same time  5025 BAU 100 kW / non-dir to Cuba Spanish Radio Rebelde - NO SIGNAL via same SDR!
from 0605 on  5025 BAU 100 kW / non-dir to Cuba Spanish Radio Rebelde is on the air, very good.
from 0500UTC 6165 BAU, 6100 BAU, 6060 BAU and 6000 QVC ALL ARE OFF English Service / NO SIGNAL!
Each day, each hour, a different random combination. Something`s always wrong at RHC & Bauta tx
https://www.youtube.com/watch?v=NjUrQWvdTmU&feature=youtu.be
https://www.youtube.com/watch?v=s6ZmTDnO62I&feature=youtu.be
https://www.youtube.com/watch?v=C48GGrZrsu4&feature=youtu.be