SOUNDREP - Ships Reporting System in the Sound Reporting is mandatory for all vessels above 300 GT transiting through the SOUNDREP operational area or proceeding to or from ports and anchorages in the area. Most of the reporting procedure can be fulfilled in advance on Internet or e-mail. Internet: www.soundvts.org E-mail: contact@soundvts.org VHF contact must however always be established when entering the area. Callsign: Sound Traffic VHF Ch 73 Sector 1 North VHF Ch 71 Sector 2 South VHF Ch 79, 68 Broadcast of safety information