Hi,
At 17.54 the signal was 6 dB with the S.I.N.P.O. of 45333.
17.55 : I.D. Ronalisa.
17.57 : "I beg your pardon".
18.20 : Off ! certainly before that time.
Note : I am not sure that it was really radio Ronalisa due to the stormy weather above Northern France.
B.L.