Wireshark · Display Filter Reference: ANSI IS-801 (Location Services (PLD))

Field name	Description	Type	Versions
ansi_801.action_time	Action time	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ansi_801.add_dopp_req	Additional Doppler terms requested (ADD_DOPP_REQ)	Boolean	1.4.0 to 4.4.2
ansi_801.aflt_lcc	Advanced Forward Link Trilateration (AFLT) Location Calculation Capable	Boolean	2.0.0 to 4.4.2
ansi_801.afltc_id	AFLTC_ID: Advanced forward link trilateration capability indicator	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ansi_801.alpha_and_beta_parameters	Alpha and Beta parameters	Boolean	2.0.0 to 4.4.2
ansi_801.apdc_id	APDC_ID: Autonomous position determination capability indicator: Autonomous Location Technology Identifier	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ansi_801.autonomous_lcc	Autonomous Location Calculation Capable	Boolean	2.0.0 to 4.4.2
ansi_801.az_el_req	Azimuth and elevation angle requested (AZ_EL_REQ)	Boolean	1.4.0 to 4.4.2
ansi_801.bad_sv_present	Bad GPS satellites present (BAD_SV_PRESENT)	Boolean	1.4.0 to 4.4.2
ansi_801.bad_sv_prn_num	Satellite PRN number (SV_PRN_NUM)	Unsigned integer (8 bits)	1.4.0 to 4.4.2
ansi_801.bs_ls_rev	BS_LS_REV	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ansi_801.cancellation_type	Cancellation Type	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ansi_801.clock_bias	Clock bias (CLOCK_BIAS)	Signed integer (24 bits)	1.4.0 to 4.4.2
ansi_801.clock_correction_for_gps_time	Clock correction for GPS time	Boolean	2.0.0 to 4.4.2
ansi_801.clock_drift	Clock drift (CLOCK_DRIFT)	Signed integer (16 bits)	1.4.0 to 4.4.2
ansi_801.clock_incl	Clock information included (CLOCK_INCL)	Boolean	1.4.0 to 4.4.2
ansi_801.code_ph_par_req	Code phase parameters requested (CODE_PH_PAR_REQ)	Boolean	1.4.0 to 4.4.2
ansi_801.coordinate_type_requested	Coordinate type requested	Boolean	2.0.0 to 4.4.2
ansi_801.data	Data	Byte sequence	2.0.0 to 4.4.2
ansi_801.data_records	Data records	Unsigned integer (16 bits)	2.0.0 to 4.4.2
ansi_801.desired_pilot_phase_resolution	Desired pilot phase resolution	Boolean	2.0.0 to 4.4.2
ansi_801.dopp_req	Doppler (0th order) term requested (DOPP_REQ)	Boolean	1.4.0 to 4.4.2
ansi_801.dr_size	DR_SIZE: Data record size	Unsigned integer (24 bits)	2.0.0 to 4.4.2
ansi_801.extended_base_station_almanac	Extended base station almanac	Boolean	2.0.0 to 4.4.2
ansi_801.extraneous_data	Extraneous Data, dissector bug or later version spec(report to wireshark.org)	Label	2.0.0 to 4.4.2
ansi_801.fix_type	Fix type (FIX_TYPE)	Boolean	1.4.0 to 4.4.2
ansi_801.for_message_number_requests	Number Requests	Unsigned integer (16 bits)	2.0.0 to 4.4.2
ansi_801.for_message_number_responses	Number Responses	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ansi_801.for_req_type	Forward Request Type	Unsigned integer (8 bits)	1.0.0 to 4.4.2
ansi_801.for_request_length	Length	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ansi_801.for_response_length	Length	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ansi_801.for_rsp_type	Forward Response Type	Unsigned integer (8 bits)	1.0.0 to 4.4.2
ansi_801.for_sess_tag	Forward Session Tag	Unsigned integer (8 bits)	1.0.0 to 4.4.2
ansi_801.gps_acq_cap	GPS_ACQ_CAP	Unsigned integer (24 bits)	2.0.0 to 4.4.2
ansi_801.gps_acquisition_assistance	GPS Acquisition Assistance	Boolean	2.0.0 to 4.4.2
ansi_801.gps_almanac	GPS Almanac	Boolean	2.0.0 to 4.4.2
ansi_801.gps_almanac_correction	GPS Almanac Correction	Boolean	2.0.0 to 4.4.2
ansi_801.gps_autonomous_acquisition_capable	GPS Autonomous Acquisition Capable	Boolean	2.0.0 to 4.4.2
ansi_801.gps_capability_indicator	GPSC_ID: GPS capability indicator	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ansi_801.gps_ephemeris	GPS Ephemeris	Boolean	2.0.0 to 4.4.2
ansi_801.gps_navigation_message_bits	GPS Navigation Message Bits	Boolean	2.0.0 to 4.4.2
ansi_801.gps_sensitivity_assistance	GPS Sensitivity Assistance	Boolean	2.0.0 to 4.4.2
ansi_801.gps_week_number	GPS week number	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ansi_801.heading	Heading (HEADING)	Floating point (single-precision)	1.4.0 to 4.4.2
ansi_801.height	Height (HEIGHT)	Signed integer (16 bits)	1.4.0 to 4.4.2
ansi_801.height_incl	Height information included (HEIGHT_INCL)	Boolean	1.4.0 to 4.4.2
ansi_801.height_information	Height information	Boolean	2.0.0 to 4.4.2
ansi_801.hybrid_gps_and_aflt_lcc	Hybrid GPS and AFLT Location Calculation Capable	Boolean	2.0.0 to 4.4.2
ansi_801.lat	Latitude (LAT)	Floating point (single-precision)	1.4.0 to 4.4.2
ansi_801.lcc_using_gps_almanac_assistance	Location Calculation Capable using GPS Almanac Assistance	Boolean	2.0.0 to 4.4.2
ansi_801.lcc_using_gps_almanac_correction	Location Calculation Capable using GPS Almanac Correction	Boolean	2.0.0 to 4.4.2
ansi_801.lcc_using_gps_ephemeris_assistance	Location Calculation Capable using GPS Ephemeris Assistance	Boolean	2.0.0 to 4.4.2
ansi_801.lcc_using_location_assistance.cartesian	Location Calculation Capable using Location Assistance - Cartesian	Boolean	2.0.0 to 4.4.2
ansi_801.lcc_using_location_assistance.spherical	Location Calculation Capable using Location Assistance - Spherical	Boolean	2.0.0 to 4.4.2
ansi_801.loc_calc_cap	LOC_CALC_CAP	Unsigned integer (24 bits)	2.0.0 to 4.4.2
ansi_801.loc_uncrtnty_a	Std dev of axis along angle specified for pos uncertainty (LOC_UNCRTNTY_A)	Unsigned integer (8 bits)	1.4.0 to 4.4.2
ansi_801.loc_uncrtnty_ang	Angle of axis with respect to True North for pos uncertainty (LOC_UNCRTNTY_ANG)	Floating point (single-precision)	1.4.0 to 4.4.2
ansi_801.loc_uncrtnty_p	Std dev of axis perpendicular to angle specified for pos uncertainty (LOC_UNCRTNTY_P)	Unsigned integer (8 bits)	1.4.0 to 4.4.2
ansi_801.loc_uncrtnty_v	Std dev of vertical error for pos uncertainty (LOC_UNCRTNTY_V)	Unsigned integer (8 bits)	1.4.0 to 4.4.2
ansi_801.long	Longitude (LONG)	Floating point (single-precision)	1.4.0 to 4.4.2
ansi_801.mob_sys_t_offset	MOB_SYS_T_OFFSET	Unsigned integer (24 bits)	2.0.0 to 4.4.2
ansi_801.ms_ls_rev	MS_LS_REV	Unsigned integer (16 bits)	2.0.0 to 4.4.2
ansi_801.ms_mode	MS_MODE	Unsigned integer (16 bits)	2.0.0 to 4.4.2
ansi_801.no_outstanding_request_element	No outstanding request element	Boolean	2.0.0 to 4.4.2
ansi_801.num_bad_sv	Number of bad GPS satellites (NUM_BAD_SV)	Unsigned integer (8 bits)	1.4.0 to 4.4.2
ansi_801.num_dr_p	NUM_DR_P: Number of data records in this part	Unsigned integer (16 bits)	2.0.0 to 4.4.2
ansi_801.num_fixes	Number of fixes (NUM_FIXES)	Unsigned integer (24 bits)	1.4.0 to 4.4.2
ansi_801.num_sv_p	NUM_SV_P: Number of satellites in this part	Unsigned integer (32 bits)	2.0.0 to 4.4.2
ansi_801.offset_req	Offset requested (OFFSET_REQ)	Boolean	1.4.0 to 4.4.2
ansi_801.part_num	PART_NUM: The part number	Unsigned integer (16 bits)	2.0.0 to 4.4.2
ansi_801.pd_message_len	PD Message Length	Unsigned integer (16 bits)	2.0.0 to 4.4.2
ansi_801.pd_message_type	PD Message Type	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ansi_801.pilot_ph_cap	PILOT_PH_CAP	Unsigned integer (16 bits)	2.0.0 to 4.4.2
ansi_801.pre_programmed_location	Pre-programmed Location	Boolean	2.0.0 to 4.4.2
ansi_801.pref_resp_qual	Preferred response quality (PREF_RESP_QUAL)	Unsigned integer (24 bits)	1.4.0 to 4.4.2
ansi_801.proprietary_data	Reserved/Proprietary/Future Data	Byte sequence	2.0.0 to 4.4.2
ansi_801.reerved_bits	Reserved bit(s)	Unsigned integer (8 bits)	1.4.0 to 3.2.18
ansi_801.ref_bit_num	REF_BIT_NUM	Unsigned integer (16 bits)	2.0.0 to 4.4.2
ansi_801.ref_pn	REF_PN	Unsigned integer (24 bits)	2.0.0 to 4.4.2
ansi_801.regulatory_services_indicator	Regulatory Services Indicator	Unsigned integer (16 bits)	2.0.0 to 4.4.2
ansi_801.reject_reason	Reject reason	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ansi_801.reject_request_type	Reject request type	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ansi_801.reserved	Reserved	Unsigned integer (24 bits)	2.0.0 to 4.4.2
ansi_801.reserved_bits	Reserved bit(s)	Unsigned integer (8 bits)	3.4.0 to 4.4.2
ansi_801.rev_message_number_requests	Number Requests	Unsigned integer (16 bits)	2.0.0 to 4.4.2
ansi_801.rev_message_number_responses	Number Responses	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ansi_801.rev_req_type	Reverse Request Type	Unsigned integer (8 bits)	1.0.0 to 4.4.2
ansi_801.rev_request_length	Length	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ansi_801.rev_response_length	Length	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ansi_801.rev_rsp_type	Reverse Response Type	Unsigned integer (8 bits)	1.0.0 to 4.4.2
ansi_801.rev_sess_tag	Reverse Session Tag	Unsigned integer (8 bits)	1.0.0 to 4.4.2
ansi_801.sess_tag	Session Tag	Unsigned integer (8 bits)	1.0.0 to 4.4.2
ansi_801.session_end	Session End	Boolean	2.0.0 to 4.4.2
ansi_801.session_source	Session Source	Boolean	2.0.0 to 4.4.2
ansi_801.session_start	Session Start	Boolean	2.0.0 to 4.4.2
ansi_801.short_data	Short Data (?) - try checking decoder variant preference or dissector bug/later version spec (report to wireshark.org)	Label	2.0.0 to 4.4.2
ansi_801.subframes_4_and_5	Subframes 4 and 5	Boolean	2.0.0 to 4.4.2
ansi_801.t_betw_fixes	Time between fixes (T_BETW_FIXES) (in seconds)	Unsigned integer (24 bits)	1.4.0 to 4.4.2
ansi_801.time_of_almanac	Time of almanac	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ansi_801.time_ref_cdma	CDMA system time at the time the solution is valid (TIME_REF_CDMA)	Unsigned integer (32 bits)	1.4.0 to 4.4.2
ansi_801.time_ref_ms	TIME_REF_MS	Unsigned integer (24 bits)	2.0.0 to 4.4.2
ansi_801.toa	TOA: The reference time of the almanac	Unsigned integer (32 bits)	2.0.0 to 4.4.2
ansi_801.total_parts	TOTAL_PARTS: Total number of parts	Unsigned integer (16 bits)	2.0.0 to 4.4.2
ansi_801.unexpected_length	Unexpected Data Length - try checking decoder variant preference or dissector bug/later version spec (report to wireshark.org)	Label	2.0.0 to 4.4.2
ansi_801.unsolicited_response_indicator	Unsolicited response indicator	Boolean	2.0.0 to 4.4.2
ansi_801.use_action_time_indicator	Use action time indicator	Boolean	2.0.0 to 4.4.2
ansi_801.velocity_hor	Horizontal velocity magnitude (VELOCITY_HOR)	Floating point (single-precision)	1.4.0 to 4.4.2
ansi_801.velocity_incl	Velocity information included (VELOCITY_INCL)	Boolean	1.4.0 to 4.4.2
ansi_801.velocity_information	Velocity information	Boolean	2.0.0 to 4.4.2
ansi_801.velocity_ver	Vertical velocity (VELOCITY_VER)	Floating point (single-precision)	1.4.0 to 4.4.2
ansi_801.week_num	WEEK_NUM: The GPS week number of the almanac	Unsigned integer (32 bits)	2.0.0 to 4.4.2