RADIO REPORTING (CALLING-IN) POINTS Vessels sailing along Uruguayan and Argentinian waters are required to participate in the Traffic Control Centres and Maritime Information System, and Río de la Plata Traffic Control System. For further details, see Published Maritime Information (IMP Uruguay, Uruguayan Coast Guard) and Publication H-221 (Argentine Hydrographic Service) 
This cell is included in Zones DELTA, S1 y Arroyo Riachuelo.

DELTA ZONE: Control Colonia Prefectura Radio (CWC 23) VHF 16
S1 ZONE: Buenos Aires Prefectura Naval Radio (L2G) VHF 70
Arroyo Riachuelo: Control Riachuelo Prefectura Radio VHF 16