f32 H0_RxSampleRate; // [hertz] sample rate of data acquisition and signal processing
f32 H0_RxRange; // user setting [meters]
f32 H0_RxGain; // user setting [multiply by 2 for dB]
f32 H0_RxSpreading; // [dB (times log range in meters)]
f32 H0_RxAbsorption; // [dB per kilometer]
f32 H0_RxMountTilt; // [radians]
u16 H0_RxMiscInfo; // reserved for future use
s16 H0_VTX+Offset; // [hundredths of a dB] transmit voltage offset at time of ping (divide value by 100 to get dB)
u32 H0_reserved; // reserved for future use
f32 H0_MoreInfo[6]; // reserved for future use
// section D0: 16-bit magnitude data (present only during "magnitude only" mode)
u16 D0_SectionName; // 'D0'
u16 D0_SectionSize; // [bytes] size of this entire section
u32 D0_PingNumber; // pings since power-up or reboot
u32 D0_TotalSamples; // number of samples in entire time series (sample rate is H0_RxSampleRate)
u32 D0_FirstSample; // first sample of this section relative to zero range
u16 D0_Samples; // number of samples in this section
u16 D0_reserved; // reserved for future use
f32 D0_MagnitudeScaling[8]; // to be determined, 0=ignore
struct
{
u16 PortMagnitude; // [micropascals] = PortMagnitude * (tbd function of sample number and D0_MagnitudeScaling[8])
u16 StbdMagnitude; // similar but starboard side
} D0_Data[D0_Samples];
// section D1: 16-bit magnitude and direction data (present only during "magnitude+direction" mode)
u16 D1_SectionName; // 'D1'
u16 D1_SectionSize; // [bytes] size of this entire section
u32 D1_PingNumber; // pings since power-up or reboot
u32 D1_TotalSamples; // number of samples in entire time series (sample rate is H0_RxSampleRate)
u32 D1_FirstSample; // first sample of this section relative to zero range
u16 D1_Samples; // number of samples in this section
u16 D1_reserved; // reserved for future use
f32 D1_MagnitudeScaling[8]; // to be determined, 0=ignore
f32 D1_AngleScalingFactor;
struct
{
u16 PortMagnitude; // [micropascals] = PortMagnitude * (tbd function of sample number and D1_MagnitudeScaling[8])
s16 PortAngle; // [radians from array centerline (positive towards starboard)] = PortAngle * D1_AngleScalingFactor
u16 StbdMagnitude; // similar but starboard side
s16 StbdAngle; // similar but starboard side
} D1_Data[D1_Samples];
// *** END TRUEPIX DATA FORMAT 0 ***
Page 187 of 210
Version 5.0 Rev r002
Date 05-08-2014
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