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NavCom LAND-PAK Rev.N User Manual

Page 128

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Technical Reference Manual Rev. N

Blk = All;

Blu = IOP w/Internal Radio

;

Red = IOP & LBM

;

Grn = Engine only

126

Ref

Message Field Description

Data

Type

Units

Range

Scale

Byte

Count

W12

B7-B5: For GBS measType

0: CA
1: P1
2: L1
3: P2
4: L2
5: RC CODE
6: RC PHASE

S16

2

Subw3: Expected north error

S16 meters

LSB: 0.01

2

Subw4: Expected east error

S16 meters

LSB: 0.01

2

Subw5: Expected up error

S16 meters

LSB: 0.01

2

Subw6: Probability of miss detected for
most likely failed satellite

U16

0 -1.0

LSB: 0.0001

2

Subw7: Estimate bias in meters for
most likely failed satellite

S16 meters

LSB: 0.01

2

Subw8: Standard deviation for bias
estimation

U16 meters

LSB: 0.01

2

W13

The number of message MDE

U08

1

W14

Message body for each MDE message:

Subw1: PRN GNSS satellite ID number

U08

1

Subw2: Measurement type and nav
modules

B3-B0: Range 0-3 for nav modules

0: CODE_NAV_TASK

1: RTG_NAV_TASK

2: RTK_NAV_TASK

3: L1_PNAV_TASK

B7-B4: For GBS measType

0: CA
1: P1
2: L1
3: P2
4: L2
5: RC CODE
6: RC PHASE

U08

1

Subw3: Non-centrality parameter
computed

U16

LSB: 0.01

2

Subw4: Minimal Detectable Error for a
given type I and type II errors

U16 meters

LSB: 0.01

1

Subw5: Positional MDE in latitude

S16 meters

LSB: 0.01

1

Subw6: Positional MDE in longitude

S16 meters

LSB: 0.01

1

Subw7: Positional MDE in altitude

S16 meters

LSB: 0.01

1

W15

The number of satellite used in slownav