Daniel, have you ever tried mw-dx with SSB?
For example on 1539 and 1548 using LSB would
eliminate the whistle from upper frequency.
SSB also in many cases gives more readable audio.
Also when scanning the band it shows you a weaker
station carrier, which you might not notice on AM.
Personally I
TWR Europe Moldavia 1548 kHz and Radio Sawa Kuwait 1548 kHz
(MW DX Transatlantic)
(2 Radios)
Men VS Music Local 21:10 UTC 10 November 2018
https://youtu.be/JDsjZnI4obM
RX: Yaesu FRG 8800 Antena: DS SWL DL Dipolo Assimetric 42 Meters + Balum +
15 Meters Coaxial Daniel Wyllyans SÃtio Estrela