Simrad EY500, Instruction Manual

Page: 154 / 262

Simrad EY 500
14
P3404E/A
2.3 PING BASED OUTPUT
struct Depth { /* detected bottom depth */
char Header[2]; /* "D1" */
char Separator1[1]; /* "," */
char Time[8]; /* hour, minute, second, hundredth */
char Separator2[1]; /* "," */
float Depth; /* detected bottom depth [meter] */
float Ss; /* bottom surface backscattering strength [dB] */
long Transducer Number; /* transducer number */
float Dummy2;
/* not implemented in EY 500 */
};
struct EchoTrace { /* echotrace (single fish detections) */
char Header[2]; /* "E1" */
char Separator1[1]; /* "," */
char Time[8]; /* hour, minute, second, hundredth */
char Separator2[1]; /* "," */
long Traces; /* number of echo traces in telegram */
struct {
float Depth;
/* target depth [meter] */
float CompTS; /* compensated TS [dB] */
float UncompTS; /* uncompensated TS [dB] */
float AlongShip; /* alongship angle [degree] */
float AthwartShip; /* athwartships angle [degree] */
} Trace[30]; /* max 30 detections per ping */
float Sa[30]; /* Sa values for single targets */
};
struct MeanSv { /* Mean Sv per ping */
char Header[2]; /* "S1" */
char Separator1[1]; /* "," */
char Time[8]; /* hour, minute, second, hundredth */
char Separator2[1]; /* "," */
long Layers; /* number of active layers */
struct {
long LayerID;
/* layer identifier [1-10] */
float MeanSv; /* mean Sv per ping within layer [dB] */
float MeanWidth; /* mean effective thickness of layer [meter] */
} Layer[10];
/* max 10 layers */
};