Small Size Telemetry Buoy

System Overview

Surface Buoy

Fin and seawater ground

Foam

Mooring wire covered with hydraulic hose

PU-Carrot

Deployment

Kugel schwimmend

Inside17“ Glass sphere

Electronic housing

¼ Ground Plane

ElectronicARGOS Transmitter

Inductive Modem

Controller board

PC 104

Block DiagramBlock Diagram

Inductiv - ModemInductiv - Modem PC104(Mini-386er-PC)

PC104(Mini-386er-PC)

Lithium – Battery Pack14,4 V / 125 Ah

Lithium – Battery Pack14,4 V / 125 Ah

ARGOS - Tx(P T T)

ARGOS - Tx(P T T)

µController 1Time ManagementµController 1

Time Management

µController 2Data ManagementµController 2

Data Management

Indu

ctiv

L

ink

Powerline, controlled by µC1 Dataflow Power IRQ, etc

Antenna

System Specifications

• Data sampling rate : 2h• Transmit rate : 4h

– Repitation rate : 20s– Transmit duration : 110min

• Data transmit mode : cycle of 4 blocks a‘ 32 Byte

• Information/time : 768Byte/Day• Lifetime : min. 1 Year• Power consumption/msg : 0.25Ah/kByte

Subsurface Components

•SBE 37 IM

Instruments:

Special mooring components

• Mooring wire termination

• CO2-Sensor

• TD-Logger

• Single pole conductand swivel

Mooring sitesMooring sites