---

Network Adjustment Report

Basic Information

Name	Value
Username	DESKTOP-6QTNJG2
Project Datum	MAGNA-SIRGAS _ Colombia Bogota zone
Project Name	GT-ESTACION EL BOSQUE
Distance Units	Meter
Height Units	Meter

---

1 Adjustment Settings

Basic Parameters

Name	Value
Ellipsoid Name	GRS 1980
Major Axis(m)	6378137.0000
Flattening Reciprocal(1/f)	298.2572221

Projection Parameters

Name	Value
Projection Method	Transverse Mercator Projection
Scale Factor	1
Projection Height	0.0000
Original Latitude	04°35′46.321500000″N
Central Meridian(L0)	074°04′39.028500000″W
North Additive Constant(m)	1000000.0000
East Additive Constant(m)	1000000.0000

---

2 Adjustment Statistics

Statistical Summary

Name	Value
Network Reference Factor	0
Chi Square Test	Pass
Chi Square Value	0
Range of Chi Square Test	0.00000～0.00000
Ratio of Unit Weight Standard Error	0.00000
Precision Confidence Level	0%

---

3 Control Point

Number Of Points	03
Control Point Sum	01

Control Points

---

4 Free Adjusted Coordinates

4.1 Baselines Input in WGS84

Observation ID	Baseline ID	DX(m)	Std.DX(mm)	DY(m)	Std.DY(mm)	DZ(m)	Std.DZ(mm)
B01	GPS-AT-T-15_036791->GPS-REF1_918081	7163.7368	1.8	3027.5813	3.9	5287.4161	1.6
B02	GPS-AT-T-15_036791->GPS-REF2_918081	7160.3629	0.8	3035.5593	1.9	5337.8992	1.0

4.2 Adjusted Baselines in WGS84

Style One：

Observation ID	Baseline ID		Observation	Residual	Horizontal Precision(Ratio)	3D Precision(Ratio)
B01	GPS-AT-T-15_036791->GPS-REF1_918081	Azimuth	55°1′8.44051″	0°0′0.00000″	1:0	1:0
		ΔEllipsoid Height	-29.3005	0.0000
		Ellipsoid Dist.	9404.3683	0.0000
B02	GPS-AT-T-15_036791->GPS-REF2_918081	Azimuth	54°45′36.44832″	0°0′0.00000″	1:0	1:0
		ΔEllipsoid Height	-28.1396	0.0000
		Ellipsoid Dist.	9432.8460	0.0000

Style Two:

Observation ID	Baseline ID	DX(m)	V.DX(mm)	Std.DX(mm)	DY(m)	V.DY(mm)	Std.DY(mm)	DZ(m)	V.DZ(mm)	Std.DZ(mm)
B01	GPS-AT-T-15_036791->GPS-REF1_918081	7163.7368	0.0	0.0	3027.5813	0.0	0.0	5287.4161	0.0	0.0
B02	GPS-AT-T-15_036791->GPS-REF2_918081	7160.3629	0.0	0.0	3035.5593	0.0	0.0	5337.8992	0.0	0.0

4.3 Adjusted Geodetic Coordinates in WGS84

Point ID	Latitude	Latitude Err.(s)	Longitude	Longitude Err.(s)	Ellipsoid Height(m)	H. Err.(m)
GPS-AT-T-15_036791	10°53′57.482537406″N	0.000000	074°53′11.312256959″W	0.000000	79.0100	0.0000
GPS-REF1_918081	10°56′52.922307488″N	0.000000	074°48′57.539843801″W	0.000000	49.7095	0.0000
GPS-REF2_918081	10°56′54.588441379″N	0.000000	074°48′57.578265824″W	0.000000	50.8704	0.0000

4.4 Adjusted ECEF Coordinates in WGS84

Point ID(m)	X(m)	X Err.(m)	Y(m)	Y Err.(m)	Z(m)	Z Err.(m)	3D Err.(m)
GPS-AT-T-15_036791	1633204.0407	0.0000	-6047247.4996	0.0000	1198085.0988	0.0000	0.0000
GPS-REF1_918081	1640367.7775	0.0000	-6044219.9183	0.0000	1203372.5150	0.0000	0.0000
GPS-REF2_918081	1640364.4036	0.0000	-6044211.9403	0.0000	1203422.9980	0.0000	0.0000

4.5 Adjusted Grid Coordinates and Height in Local System

Point ID	North(m)	North Err.(m)	East(m)	East Err.(m)	Elev.(m)	Elev. Err.(m)
GPS-AT-T-15_036791	1697212.8307	0.0000	911557.2753	0.0000	85.6761	0.0000
GPS-REF1_918081	1702584.1582	0.0000	919277.6390	0.0000	56.7414	0.0000
GPS-REF2_918081	1702635.3590	0.0000	919276.5976	0.0000	57.9048	0.0000

4.6 Worst baseline and station statistics

Worst local station	North(m)	North Err.(m)	East(m)	East Err.(m)	Elev.(m)	Elev. Err.(m)	Standard Deviation(m)
	0.0000	0.0000	0.0000	0.0000	0.0000	0.0000	0.0000

4.7 Coordinate Change

Point ID	ΔNorth(m)	ΔEast(m)	ΔEllipsoid Height(m)
GPS-AT-T-15_036791	0.0000	0.0000	0.0000
GPS-REF1_918081	0.0000	0.0000	0.0000
GPS-REF2_918081	0.0000	0.0000	0.0000

4.8 Error Ellipse

Point ID	Major Axis(m)	Short Axis(m)	Azimuth(m)
GPS-AT-T-15_036791	0.0000	0.0000	0°0′0.00000″
GPS-REF1_918081	0.0000	0.0000	0°0′0.00000″
GPS-REF2_918081	0.0000	0.0000	0°0′0.00000″

Error Ellipse
GPS-AT-T-15_036791		GPS-REF1_918081
GPS-REF2_918081