Index: trunk/BNC/Example_Configs/Input/BNC_IGS20.CRD =================================================================== --- trunk/BNC/Example_Configs/Input/BNC_IGS20.CRD (revision 10972) +++ trunk/BNC/Example_Configs/Input/BNC_IGS20.CRD (revision 11026) @@ -1,17 +1,69 @@ -# Apriori coordinates with eccentricities, antenna and receiver, Reference System IGS20 (IGS0OPSSNX_20260480000_01D_01D_CRD.SNX) -# ------------------------------------------------------------------------------------------------------------------------------ +################################################################################################ +# Apriori coordinates file # +################################################################################################ +# including: +# - a priori XYZ coordinate, +# - optionally, right after the a priori XYZ coordinate: +# -- reference epoch as decimalYear with keyword EPOCH: +# -- ITRF velocity in X, Y, Z [m/year] with keyword VEL:,, +# - eccentricities, +# - antenna, and +# - receiver +################################################################################################ +# Reference System: IGS20 (IGS0OPSSNX_1994002_2026185_00U_CRD.SNX) +# # REAL-TIME -FFMJ00DEU0 4.05345556487862e+06 6.17730016327370e+05 4.86939592304988e+06 0.0000 0.0000 0.0450 LEIAR25.R3 LEIT JAVAD TRE_3S DELTA -FFMJ01DEU0 4.05345556487862e+06 6.17730016327370e+05 4.86939592304988e+06 0.0000 0.0000 0.0450 LEIAR25.R3 LEIT LEICA GR50 -REYK00ISL0 2.58738387057569e+06 -1.04303361185251e+06 5.71656422200577e+06 0.0000 0.0000 0.0635 LEIAR25.R4 LEIT LEICA GR50 -WTZR00DEU0 4.07558020555194e+06 9.31854158691225e+05 4.80156833793210e+06 0.0000 0.0000 0.0710 LEIAR25.R3 LEIT LEICA GR50 -PARK00AUS0 -4.55425545428602e+06 2.81665244690025e+06 -3.45405944048519e+06 0.0000 0.0000 0.0250 LEIAR25 NONE SEPT POLARX5TR +FFMJ01DEU0 4053455.66002983 617729.911377446 4869395.86849437 EPOCH:2020.0 VEL:-0.0148149200700258,0.0173394525889122,0.00993903277554994 0.0000 0.0000 0.0450 LEIAR25.R3 LEIT JAVAD TRE_3S DELTA +FFMJ00DEU0 4053455.66002983 617729.911377446 4869395.86849437 EPOCH:2020.0 VEL:-0.0148149200700258,0.0173394525889122,0.00993903277554994 0.0000 0.0000 0.0450 LEIAR25.R3 LEIT LEICA GR50 +REYK00ISL0 2587384.00247951 -1043033.56115071 5716564.13589216 EPOCH:2020.0 VEL:-0.0207865982784698,-0.00747886369391668,0.0137890318975325 0.0000 0.0000 0.0635 LEIAR25.R4 LEIT LEICA GR50 +WTZR00DEU0 4075580.31080608 931854.054497059 4801568.28044933 EPOCH:2020.0 VEL:-0.0159339741187387,0.0171837084647012,0.0101792476637174 0.0000 0.0000 0.0710 LEIAR25.R3 LEIT LEICA GR50 +PARK00AUS0 -4554255.23564276 2816652.46115249 -3454059.72019472 EPOCH:2020.0 VEL:-0.0360614781690518,-0.00224882614802764,0.0466110997530548 0.0000 0.0000 0.0250 LEIAR25 NONE SEPT POLARX5TR +BRUX00BEL0 4027881.37719374 306998.748539549 4919499.01582683 EPOCH:2020.0 VEL:-0.0136005676831508,0.0167589259554315,0.0103501502632278 0.0010 0.0000 0.4689 JAVRINGANT_DM SCIS SEPT POLARX5TR # RINEX -FFMJ00DEU 4.05345556487862e+06 6.17730016327370e+05 4.86939592304988e+06 0.0000 0.0000 0.0450 LEIAR25.R3 LEIT JAVAD TRE_3S DELTA -FFMJ01DEU 4.05345556487862e+06 6.17730016327370e+05 4.86939592304988e+06 0.0000 0.0000 0.0450 LEIAR25.R3 LEIT LEICA GR50 -REYK00ISL 2.58738387057569e+06 -1.04303361185251e+06 5.71656422200577e+06 0.0000 0.0000 0.0635 LEIAR25.R4 LEIT LEICA GR50 -WTZR00DEU 4.07558020555194e+06 9.31854158691225e+05 4.80156833793210e+06 0.0000 0.0000 0.0710 LEIAR25.R3 LEIT LEICA GR50 -BRUX00BEL 4.02788144502047e+06 3.06998664677153e+05 4.91949896387484e+06 0.0010 0.0000 0.4689 JAVRINGANT_DM SCIS SEPT POLARX5TR +FFMJ01DEU 4053455.66002983 617729.911377446 4869395.86849437 EPOCH:2020.0 VEL:-0.0148149200700258,0.0173394525889122,0.00993903277554994 0.0000 0.0000 0.0450 LEIAR25.R3 LEIT JAVAD TRE_3S DELTA +FFMJ00DEU 4053455.66002983 617729.911377446 4869395.86849437 EPOCH:2020.0 VEL:-0.0148149200700258,0.0173394525889122,0.00993903277554994 0.0000 0.0000 0.0450 LEIAR25.R3 LEIT LEICA GR50 +REYK00ISL 2587384.00247951 -1043033.56115071 5716564.13589216 EPOCH:2020.0 VEL:-0.0207865982784698,-0.00747886369391668,0.0137890318975325 0.0000 0.0000 0.0635 LEIAR25.R4 LEIT LEICA GR50 +WTZR00DEU 4075580.31080608 931854.054497059 4801568.28044933 EPOCH:2020.0 VEL:-0.0159339741187387,0.0171837084647012,0.0101792476637174 0.0000 0.0000 0.0710 LEIAR25.R3 LEIT LEICA GR50 +PARK00AUS -4554255.23564276 2816652.46115249 -3454059.72019472 EPOCH:2020.0 VEL:-0.0360614781690518,-0.00224882614802764,0.0466110997530548 0.0000 0.0000 0.0250 LEIAR25 NONE SEPT POLARX5TR +BRUX00BEL 4027881.37719374 306998.748539549 4919499.01582683 EPOCH:2020.0 VEL:-0.0136005676831508,0.0167589259554315,0.0103501502632278 0.0010 0.0000 0.4689 JAVRINGANT_DM SCIS SEPT POLARX5TR # RINEX2 VM01 0.0 0.0 0.0 0.0000 0.0000 0.0000 + +################################################################################################ +# Howto extract the correct values from a cumulative SINEX file to fill BNCs coordinates file # +################################################################################################ +# Two different "epochs" are in play in a cumulative SINEX file +# +# Step 1 — find which SOLN is currently active (SOLUTION/EPOCHS block) +# +# CODE PT SOLN T DATA_START DATA_END MEAN_EPOCH +# PARK A 5 P 22:255:00000 26:185:86399 24:220:86399 +# +# This just tells you the validity window of each solution segment (a new SOLN is assigned whenever there's a discontinuity). +# You want the SOLN whose window covers your processing date — or, if it's the highest-numbered SOLN and there's no newer one, +# and the equipment/eccentricity logs are still open-ended (00:000:00000) after it, that SOLN is still current today +# even though DATA_END looks like it stops a while back. That date is just where this particular SINEX combination's +# input data happened to end, not evidence of a new discontinuity. +# +# Step 2 — get the reference epoch of the coordinate itself (SOLUTION/ESTIMATE block) +# +# 18931 STAX PARK A 5 20:001:00000 m 2 -4.55425523564276e+06 1.47304e-04 +# +# The column 20:001:00000 here is the EPOCH field of this specific record. +# It's the epoch the STAX (and STAY/STAZ/VELX/VELY/VELZ) value is stated at. +# This is not the SOLN's DATA_START/DATA_END/MEAN_EPOCH from step 1 — it's usually a fixed, round reference epoch +# the whole SINEX solution is normalized to. +# +# Here, 20:001:00000 = 2020-day001 = Jan 1, 2020 for every station/SOLN in this file, decimal year 2020.0. +# +# Convert to decimal year: YY:DOY:SOD → year + (DOY-1+SOD/86400)/365.25. For 20:001:00000: 2020 + 0/365.25 = 2020.0 exactly. +# +# That 2020.0 is what goes into EPOCH: — it's the epoch the STAX/STAY/STAZ position is valid at, and BNC uses VELX/VELY/VELZ +# to propagate that position forward from 2020.0 to whatever epoch your observations are actually processed at. +# +# So: +# - SOLN (step 1) picks which row of numbers to use; +# - The record's own epoch column (step 2) is the value you write into EPOCH:. +# +################################################################################################