User manual

Code: ENIGMA III User Manual
Edition: 1 Revision: 4
Date: 19/12/2008
Page: 74/97
7.11.1 Ray header format.
All values have network byte order.
Field Description Length in bytes Unit
Ray size Size of the whole ray in bytes,
16 bit unsigned value (or 32 bit
unsigned value if LongRaySize
is true)
2 (4)
Burst power Burst power, 32 bit unsigned
value
4 m dB
Burst frequency Burst frequency, 32 bit
unsigned value
4 Hz
Timestamp Timestamp of the ray, 64 bit
unsigned value
8 µs (relative)
Operational mode 16 bit value, always 0, reserved
for future use
2
SDP flags Six 16 bit flags 12
SDP status Fourteen bytes 14
Azimuth speed in °/s 16 bit value (same coding as
elevation TAGS)
2 °/s
Elevation speed in °/s 16 bit value (same coding as
elevation TAGS)
2 °/s
Azimuth start Azimuth TAG, 16 bit resolution 2 °
Elevation start Elevation TAG, 16 bit
resolution
2 °
Azimuth stop Azimuth TAG, 16 bit resolution 2 °
Elevation stop Elevation TAG, 16 bit
resolution
2 °
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