Hi all my Lowe 150 marine receiver is arrived ,now when I tune example to radio Australia on 9475khz (normal freq,.) I have my Lowe tune to 9470khz I also compared with Perseus SDR .This is both in the LW, MW and shortwave ,always 5 khz lower than the original frequency I do everything small AM, USB, LSB, ect ....... but no help has anyone experience with this Thanks in advance 73, Maurits