Publication: Magyar Közlöny
Issue: MK-2007-70 (Year: 2007, Number: 70)
Era: 2004-2010
Section: Melléklet a 2007. évi XLVI. törvényhez
Paragraph Index: 3488

400. A value of zero in this field indicates a refractivity index of 400. associated efractivity uncertainty (ın) the standard deviation of a normal distribution associated with the residual tropospheric uncertainty (3.6.5.3). atitude the latitude of the GBAS reference point defined in arc seconds. od Negative value denotes south latitude. ongitude the longitude of the GBAS reference point defined in arc seconds. oding: Negative value denotes west longitude. BAS reference point above the WGS-84 ellipsoid. 3.6.4.3.1 Additional data bloc parameters. Additional data block 1 parameters shall be as follows: REFERENCE STATI N DATA SE ECT R (RSDS): the numerical identifier that is used to select the GBAS ground subsystem. Note The RSDS is different from every other RSDS and every reference path data selector (RPDS) broadcast on the AS ground subsystem within the broadcast region od MA IMUM USE DISTANCE (Dmax): the maximum distance (slant range) from the GBAS reference point for which the te Note The value of CID indicates that a precision a Co clockwise from true north) 100 0000 0000 Precision approach procedures supported by this GBAS are published based on true bearing. Note ocal magnetic variation is chosen to be consistent with procedure design and is updated during magnetic epoch years ıvert iono gradient the standard deviation of a normal distribution associated with the residual ionospheric uncertainty due to spatial decorrelation (3.6.5.4). Refractivity index (Nr) the nominal tropospheric refractivity index used to calibrate the tropospheric with the GBAS ground subsystem (3.6.5.3). oding: is fi C Th is coded as two s complement number with an offset Scale height (ho) a scale factor used to calibrate the tropospheric correction and residual tropospheric uncertainty with the GBAS ground subsystem (3.6.5.3). R C ing: Positive value denotes north latitude. C Positive value denotes east longitude. Reference point height the height of the G same fre uency by every C ing: 1111 1111 GBAS positioning service is not provided in grity is assured. A 23/11/06 2007/70/II. szám Annex 10 — Aeronautical Communications Volume I 23/11/06 A Note This parameter does not indicate a distance within which F data broadcast field strength re uirements are met Coding: 0 No distance limitation PS EP EMERIS MISSED DETECTI N PARAMETER AS Positioning Service ( md e P S PS): the multiplier for computation of the ephemeris error position bound for the GBAS positioning service derived from the probability of missed detection given that there is an ephemeris error in a GPS satellite. For GBAS ground subsystems that do not broadcast corrections for GPS ranging sources or that do not provide the GBAS positioning service, this parameter shall be coded as all zeros. PS EP EMERIS MISSED DETECTI N PARAMETER Category I Precision Approach and AP ( md e PS): the multiplier for computation of the ephemeris error position bound for Category I precision approach and APV derived from the probability of missed detection given that there is an ephemeris error in a GPS satellite. For GBAS ground subsystems that do not broadcast corrections for GPS ranging sources, this parameter shall be coded as all zeros. NASS EP EMERIS MISSED DETECTI N PARAMETER AS Positioning Service ( md e P S NASS): the multiplier for computation of the ephemeris error position bound for the GBAS positioning service derived from the probability of missed detection given that there is an ephemeris error in a GLONASS satellite. For GBAS ground subsystems that do not broadcast corrections for GLONASS ranging sources or that do not provide positioning service, this parameter shall be coded as all zeros. NASS EP EMERIS MISSED DETECTI N PARAMETER Category I Precision Approach and AP ( md e NASS): the multiplier for computation of the ephemeris error position bound for Category I precision approach and APV derived from the probability of missed detection given that there is an ephemeris error in a GLONASS satellite. For GBAS ground subsystems that do not broadcast corrections for GLONASS ranging sources, this parameter shall be coded as all zeros. 3.6.4.3.2 Additional data bloc s. For additional data blocks other than additional data block 1, the parameters for each data block shall be as follows: ADDITI NA DATA C EN T : the number of bytes in the additional data block, including the additional data block length and additional data block number fields. ADDITI NA DATA C NUM ER: the numerical identifier of the type of additional data block. Coding: 0 to 1 reserved additional data block 2, GRAS broadcast stations 3 to 255 spare ADDITI NA DATA PARAMETERS: the set of data defined in accordance with the additional data block number. 3.6.4.3.2.1 RAS broadcast stations Parameters for additional data block 2 shall include data for one or more broadcast stations as follows: C ANNE NUM ER: the channel number, as defined in 3.6.5.7, associated with a GBAS broadcast station. Note The channel number in this field refers to a fre uency and an RSDS 2007/70/II. szám A endix Annex 10 — Aeronautical Communications ¨ ATITUDE: the difference of latitude of a GBAS b cast statio from the lati ovided in the latitude parameter of T Coding: Pos AS broadc n is north he GBAS reference t. Negative value denotes that the GBAS broadcast station is south of the GBAS reference point. ¨ N ITUD ference of longitude of a GBAS broadcast station, measured from the longitude provided in the longitude para ete oding: Positive value denotes that the GBAS broadcast station is east of the GBAS reference point. Negative value denotes that the GBAS broadcast station is west of the GBAS reference point. nging sources and is Type ment (FAS) Type 4 message shall contain one or more sets of FAS data, ach defin sion approach (Table B-72). Each Type 4 message data set shall include the following: h field and the associated FAS data block, FAS vertical alert limit (FASVAL)/approach status and FAS lateral alert limit (FASLAL)/approach status AS data APV and define its associated approach path. od Note uidance material for FAS path definition is contained in Attachment D FAS A approach status the value of the parameter FASVAL as used in 3.6.5.6. oding: 1111 1111 Do not use vertical deviations. r FAS A depend upon the approach performance designator in the ssociated FAS data bloc AS A f the parameter FASLAL as used in 3.6.5.6. able 6 A RAS broadcast station data ontent Bits used Range of values Resolution road n, measured tude pr ype 2 message. itive value denotes that the GB ast statio of t poin E: the dif m r of Type 2 message. C Note uidance material concerning additional data bloc is provided in Attachment D 3.6.4.4 T PE MESSA E Note Type message is intended to provide the information re uired to use ground based ra reserved for future applications 3.6.4.5 message Final approach seg e ing a single preci Data set length the number of bytes in the data set. The data set includes the data set lengt fields. F bloc the set of parameters to identify a single precision approach or C ing: See 3.6.4.5.1 and Table B-66. C Note The range and resolution of values fo a F approach status the value o Coding: 1111 1111 Do not use approach. Data c Channel number 20001 to 39999 ǻLatitude 25.4 0.2 ǻ e 25.4 0.2 Longitud A 23/11/06 2007/70/II. szám Annex 10 — Aeronautical Communications Volume I able 66 Final approac segment FAS data block Data Bits used Range of values Resolution content Operation type 0 to 15 Airport ID — — Runway number 0 to 36 Runway letter — — Approach performance designator 0 to 7 Reference path identifier — — LTP/FTP latitude 90.0 0.0005 arcsec LTP/FTP longitude 180.0 0.0005 arcsec ǻFPAP longitude 1.0 0.0005 arcsec Approach TCH (Note 2) 0 to 1 638.35 m or 0 to 3 276.7 ft 0.05 m or 0.1 ft Approach TCH units selector — — GPA 0 to 90.0 0.01 Course width (Note 1) 80 to 143.75 m 0.25 m — rse width field is ignored and the course width is metres d in either feet or metres as indicated by the approach TC unit selector SBAS provider ID 0 to 15 Route indicator — — Reference path data selector 0 to 48 LTP/FTP height 512.0 to 6 041.5 m 0.1 m ǻFPAP latitude 1.0 0.0005 arcsec ǻLength offset 0 to 2 032 m 8 m Final approach segment CRC — Note hen the runway number is set to then the cou Note Information can be provide 3.6.4.5.1 FAS data bloc The FAS data block shall contain the parameters that define a single precision approach or PV. The FAS path is a line in space defined by the landing threshold point/fictitious threshold point (LTP/FTP), flight path ngle (GPA). The local level plane for the approach i.e. tangent to the ellipsoid at the LTP/FTP). Local Coding: See Table B-27. corrections Airport ID the three- or four-letter designator used to designate an airport. A alignment point (FPAP), threshold crossing height (TCH) and glide path a a plane perpendicular to the local vertical passing through the LTP/FTP ( is vertical for the approach is normal to the WGS-84 ellipsoid at the LTP/FTP. The glide path intercept point (GPIP) is where the final approach path intercepts the local level plane. FAS data block parameters shall be as follows: peration type straight-in approach procedure or other operation types. Coding: 0 straight-in approach procedure 1 to 15 spare S AS service provider ID indicates the service provider associated with this FAS data block. 14 FAS data block is to be used with GBAS only. FAS data block can be used with any SBAS service provider. Note This parameter is not used for approaches conducted using AS or RAS pseudo range 23/11/06 A 2007/70/II. szám A endix Annex 10 — Aeronautical Communications C ing: Each character is coded using the lower 6 bits of its IA-5 representa od tion. For each character, bi is transmitted first, and 2 zero bits are appended after b6, so that 8 bits are transmitted for each character. Only upper case letters, the rightmost (first transmitted) character shall be IA-5 “space”. Runway number the approach runway number. heliport unway number Runway letter the one-letter designator used, as necessary, to differentiate between parallel runways. Approach the approach design. II reserved for Category III 4 to 7 spare oute indicator the one-letter identifier used to differentiate between multiple approaches to the same runway end. Coding: The letter is coded using bits b1 through b5 of its IA-5 representation. Bit b1 is transmitted first. Only upper case letters, excluding “I” and “O”, or IA-5 “space” are used. Reference path data selector (RPDS) the numeric identifier that is used to select the FAS data block (desired approach). Note The RPDS for a given FAS data bloc is different from every other RPDS and every reference station data selector (RSDS) broadcast on the same fre uency by every AS within the broadcast region Reference path identifier the three or four alphanumeric characters used to uniquely designate the reference path. used. The rightmost character is transmitted first. For a three-character -5 “space”. Note The TP FTP is a point over which the FAS path passes at a relative height specified by the TC TP is ormally located at the intersection of the runway centreline and the threshold Co Positive value denotes north latitude. Negative value denotes south latitude. nt in arc seconds. numeric digits and IA-5 “space” are used. The rightmost character is transmitted first. For a three-character GBAS ID, Coding: 0 1 to 36 r Coding: 0 no letter 1 R (right) 2 C (centre) 3 L (left) performance designator the general information about oding: 0 APV C Category I reserved for Category R Coding: Each character is coded using bits b1 through b6 of its IA-5 representation. For each character, b1 is transmitted first, and 2 zero bits are appended after b so that 8 bits are transmitted for each character. Only upper case letters, numeric digits and IA-5 “space” are reference path identifier, the rightmost (first transmitted) character shall be IA n TP FTP latitude the latitude of the LTP/FTP point in arc seconds. ding: TP FTP longitude the longitude of the LTP/FTP poi A 23/11/06 2007/70/II. szám Annex 10 — Aeronautical Communications Volume I 23/11/06 A Coding: Positive value denotes east longitude. Negative value denotes west longitude. TP FTP height the height of the LTP/FTP above the WGS-84 ellipsoid. Coding: This field is coded as an unsigned fixed-point number with an offset of 512 metres. A value of zero in this field places the LTP/FTP 512 metres below the earth ellipsoid. Note The FPAP is a point at the same height as the TP FTP that is used to define the alignment of the approach The origin of angular deviations in the lateral direction is defined to be metres ( ft) beyond the FPAP along the lateral FAS path For an approach aligned with the runway the FPAP is at or beyond the stop end of the runway ¨FPAP latitude the difference of latitude of the runway FPAP from the LTP/FTP in arc seconds. Coding: Positive value denotes the FPAP latitude north of LTP/FTP latitude. Negative value denotes the FPAP latitude south of the LTP/FTP latitude. ¨FPAP longitude the difference of longitude of the runway FPAP from the LTP/FTP in arc seconds. Coding: Positive value indicates the FPAP longitude east of LTP/FTP longitude. Negative value indicates the FPAP longitude west of LTP/FTP longitude. Approach TC the height of the FAS path above the LTP/FTP defined in either feet or metres as indicated by the TCH units selector. Approach TC units selector the units used to describe the TCH. Coding: 0 feet 1 metres lide path angle ( PA) the angle of the FAS path with respect to the horizontal plane tangent to the WGS-84 ellipsoid at the LTP/FTP. Course width the lateral displacement from the path defined by the FAS at the LTP/FTP at which full-scale deflection of a course deviation indicator is attained. Coding: This field is coded as an unsigned fixed-point number with an offset of 80 metres. A value of zero in this field indicates a course width of 80 metres at the LTP/FTP. ǻ ength offset the distance from the stop end of the runway to the FPAP. Coding: 1111 1111 not provided Final approach segment CRC the 32-bit CRC appended to the end of each FAS data block in order to ensure approach data integrity. The 32-bit final approach segment CRC shall be calculated in accordance with 3.9. The length of the CRC code shall be k 32 bits. The CRC generator polynomial shall be: G(x) x32 x31 x24 x22 x16 x14 x8 x7 x5 x3 x 1 The CRC information field, M(x), shall be: 2007/70/II. szám A endix Annex 10 — Aeronautical Communications M(x) ¦ mix272 i m1x271 m2x270 m272x0 M(x) shall be formed from all bits of the associated FAS data block, excluding the CRC. Bits shall be arranged in the order f the operation type field, and m272 corresponds to the MSB of the ǻlength ffset field. The CRC shall be ordered such that r1 is the LSB and r32 is the MSB. 3.6.4.6 Type message predicted ranging source availability When used, the Type 5 message shall contain rising isible ranging sources. Predicted ranging source availability arameters shall be as follows: odified count indicates the time of applicability of the parameters in this message. um pacted sources the number of sources for which duration information applicable to all approaches is provided. have limitations. pacted. an the ranging source will become available or cease to be available. oding: 0 Differential corrections will soon cease to be provided for the associated ranging source. e provided for the associated ranging source. anging source availability duration relative to the modified -count. Coding: 111 1111 The duration is greater than or equal to 1 270 seconds. number of approaches for which the corrections will be reduced due to approach unique constellation masking. Reference path data selector an ata applies (3.6.4.5.1). 3.6.4.7 T PE MESSA E Note Type message is reserved for future use to provide the information re uired for Category II III precision pproaches 3.6.4.8 T PE MESSA E Note Type message is reserved for national applications 3.6.4.9 T PE MESSA E Note Type message is reserved for local and regional test applications i 1 transmitted, such that m1 corresponds to the LSB o o and setting information for the currently visible or soon to be v p M Coding: Same as modified -count field in Type 1 message (3.6.4.2). ber of im N Coding: 0 Only specified obstructed approaches 1 to 31 The number of ranging sources im ging source ID as for Type 1 message (3.6.4.2). R ource availability sense indicates whether S C Differential corrections will soon start to b Source availability duration the predicted minimum r Number of obstructed approaches the indication of the FAS data block to which the source availability d Number of impacted sources for this approach the number of sources for which duration information applicable only to this approach is provided. a A 23/11/06 2007/70/II. szám Annex 10 — Aeronautical Communications Volume I 3.6.4.10 T PE MESSA E RAS PSEUD RAN E C RRECTI NS 4.10 urces able B-70A). The message shall contain three sections:

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