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Lassen-SK8 Embedded GPS Module A-43
Trimble Standard Interface Protocol
*
Note – All angles are in radians.
*
Note – If data is not available, byte 3 is set to 0 and “no” data is sent.
Byte Item Type Meaning/ICD 200 Sec.
25-28 a_f2 SINGLE Sec 20.3.3.3, Table 20-I
29-32 a_f1 SINGLE Sec 20.3.3.3, Table 20-I
33-36 a_f0 SINGLE Sec 20.3.3.3, Table 20-I
37-40 SVacc SINGLE Sec 20.3.3.3, Table 20-I
41 IODE BYTE Sec 20.3.3.4
42 fit_interval BYTE Sec 20.3.3.4
43-46 C_rs SINGLE Sec 20.3.3.4
47-50 delta_n SINGLE Sec 20.3.3.4
51-58 M_0 DOUBLE Sec 20.3.3.4
59-62 C_uc SINGLE Sec 20.3.3.4, radians
63-70 e DOUBLE Sec 20.3.3.4
71-74 C_us SINGLE Sec 20.3.3.4, radians
75-82 sqrt_A DOUBLE Sec 20.3.3.4
83-86 t_oe SINGLE Sec 20.3.3.4
87-90 C_ic SINGLE Sec 20.3.3.4, radians
91-98 OMEGA_0 DOUBLE Sec 20.3.3.4
99-102 C_is SINGLE Sec 20.3.3.4, radians
103-110 i_0 DOUBLE Sec 20.3.3.4
111-114 C_rc SINGLE Sec 20.3.3.4
115-122 omega DOUBLE Sec 20.3.3.4
123-126 OMEGADOT SINGLE Sec 20.3.3.4
127-130 IDOT SINGLE Sec 20.3.3.4
131-138 Axis DOUBLE = (sqrt_A)
2
139-146 n DOUBLE derived from delta_n
147-154 r1me2 DOUBLE = sqrt(1.0-e
2
)
155-162 OMEGA_n DOUBLE derived from OMEGA_0, OMEGADOT
163-170 ODOT_n DOUBLE derived from OMEGADOT
Table A-46. Report Packet 0x58 Ephemeris Data (Continued)