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Display Filter Reference: GPS L1 Navigation Message

Protocol field name: gps_l1

Versions: 4.2.0 to 4.6.0

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Field name Description Type Versions
gps_l1.how.alertAlertBoolean4.2.0 to 4.6.0
gps_l1.how.anti_spoofAnti-Spoof (A-S)Boolean4.2.0 to 4.6.0
gps_l1.how.parityParityUnsigned integer (32 bits)4.2.0 to 4.6.0
gps_l1.how.parity_solSolved for parity zero bitsUnsigned integer (32 bits)4.2.0 to 4.6.0
gps_l1.how.subframe_idSubframe IDUnsigned integer (32 bits)4.2.0 to 4.6.0
gps_l1.how.subframe_id.invalidInvalid subframe IDLabel4.6.0
gps_l1.how.tow_countTime-of-Week (TOW) CountUnsigned integer (32 bits)4.2.0 to 4.6.0
gps_l1.how.tow_count.invalidInvalid TOW countLabel4.6.0
gps_l1.sf1Subframe 1Label4.2.0 to 4.4.10
gps_l1.sf1.iodc_msbsIssue of Data Clock (IODC) MSBsUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.l2_channel_codeL2 Channel CodeUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.l2_p_data_flagL2 P Data FlagBoolean4.2.0 to 4.4.10
gps_l1.sf1.sv_healthSV's Signal Component Health StatusUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.sv_health_summarySV Health SummaryUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.ura_indexURA IndexUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.w10.af0SV Clock Bias Correction Coefficient a_f0Signed integer (32 bits)4.6.0
gps_l1.sf1.w10.parityParityUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w10.ttUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w10_af0SV Clock Bias Correction Coefficient a_f0Signed integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.w10_parityParityUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.w3.iodc_msbsIssue of Data Clock (IODC) MSBsUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w3.l2_channel_codeL2 Channel CodeUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w3.parityParityUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w3.sv_healthSV's Signal Component Health StatusUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w3.sv_health_summarySV Health SummaryUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w3.ura_indexURA IndexUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w3.week_numberWeek NumberUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w3_parityParityUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.w4.l2_p_data_flagL2 P Data FlagBoolean4.6.0
gps_l1.sf1.w4.parityParityUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w4.reservedReservedUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w4_parityParityUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.w4_reservedReservedUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.w5.parityParityUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w5.reservedReservedUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w5_parityParityUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.w5_reservedReservedUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.w6.parityParityUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w6.reservedReservedUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w6_parityParityUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.w6_reservedReservedUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.w7.parityParityUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w7.reservedReservedUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w7.tgdEstimated Group Delay Differential T_GDSigned integer (32 bits)4.6.0
gps_l1.sf1.w7_parityParityUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.w7_reservedReservedUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.w7_tgdEstimated Group Delay Differential T_GDSigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.w8.iodc_lsbsIssue of Data Clock (IODC) LSBsUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w8.parityParityUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w8.tocClock Data Reference Time t_OCUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w8_iodc_lsbsIssue of Data Clock (IODC) LSBsUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.w8_parityParityUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.w8_tocClock Data Reference Time t_OCUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.w9.af1SV Clock Drift Correction Coefficient a_f1Signed integer (32 bits)4.6.0
gps_l1.sf1.w9.af2Drift Rate Correction Coefficient a_f2Signed integer (32 bits)4.6.0
gps_l1.sf1.w9.parityParityUnsigned integer (32 bits)4.6.0
gps_l1.sf1.w9_af1SV Clock Drift Correction Coefficient a_f1Signed integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.w9_af2Drift Rate Correction Coefficient a_f2Signed integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.w9_parityParityUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf1.week_numberWeek NumberUnsigned integer (32 bits)4.2.0 to 4.4.10
gps_l1.sf2.w10.aodoAge of Data Offset (AODO)Unsigned integer (32 bits)4.6.0
gps_l1.sf2.w10.fifFit Interval FlagUnsigned integer (32 bits)4.6.0
gps_l1.sf2.w10.parityParityUnsigned integer (32 bits)4.6.0
gps_l1.sf2.w10.ttUnsigned integer (32 bits)4.6.0
gps_l1.sf2.w10.t_oeReference Time Ephemeris (t_oe)Unsigned integer (32 bits)4.6.0
gps_l1.sf2.w3.c_rsAmplitude of the sine harmonic correction term to the orbit radius (C_RS)Signed integer (32 bits)4.6.0
gps_l1.sf2.w3.iodeIssue of Data, Ephemeris (IODE)Unsigned integer (32 bits)4.6.0
gps_l1.sf2.w3.parityParityUnsigned integer (32 bits)4.6.0
gps_l1.sf2.w4.delta_nMean Motion Difference From Computed Value (Δn)Signed integer (32 bits)4.6.0
gps_l1.sf2.w4.m0_msbsMean Anomaly at Reference Time (M_0) MSBsUnsigned integer (32 bits)4.6.0
gps_l1.sf2.w4.parityParityUnsigned integer (32 bits)4.6.0
gps_l1.sf2.w5.m0_lsbsMean Anomaly at Reference Time (M_0) LSBsUnsigned integer (32 bits)4.6.0
gps_l1.sf2.w5.parityParityUnsigned integer (32 bits)4.6.0
gps_l1.sf2.w6.c_ucAmplitude of the Cosine Harmonic Correction Term to the Argument of Latitude (C_uc)Signed integer (32 bits)4.6.0
gps_l1.sf2.w6.e_msbsEccentricity (e) MSBsUnsigned integer (32 bits)4.6.0
gps_l1.sf2.w6.parityParityUnsigned integer (32 bits)4.6.0
gps_l1.sf2.w7.e_lsbsEccentricity (e) LSBsUnsigned integer (32 bits)4.6.0
gps_l1.sf2.w7.parityParityUnsigned integer (32 bits)4.6.0
gps_l1.sf2.w8.c_usAmplitude of the Sine Harmonic Correction Term to the Argument of Latitude (C_us)Signed integer (32 bits)4.6.0
gps_l1.sf2.w8.parityParityUnsigned integer (32 bits)4.6.0
gps_l1.sf2.w8.sqrt_a_msbsSquare Root of the Semi-Major Axis (√A) MSBsUnsigned integer (32 bits)4.6.0
gps_l1.sf2.w9.parityParityUnsigned integer (32 bits)4.6.0
gps_l1.sf2.w9.sqrt_a_lsbsSquare Root of the Semi-Major Axis (√A) LSBsUnsigned integer (32 bits)4.6.0
gps_l1.tlm.integrityIntegrity Status Flag (ISF)Boolean4.2.0 to 4.6.0
gps_l1.tlm.messageMessageUnsigned integer (32 bits)4.2.0 to 4.6.0
gps_l1.tlm.parityParityUnsigned integer (32 bits)4.2.0 to 4.6.0
gps_l1.tlm.preamblePreambleUnsigned integer (32 bits)4.2.0 to 4.6.0
gps_l1.tlm.preamble.invalidInvalid preambleLabel4.6.0
gps_l1.tlm.reservedReservedUnsigned integer (32 bits)4.2.0 to 4.6.0