===========================================================
 Hong Kong Satellite Positioning Reference Station Network
             GNSS Automatic Computation Service
===========================================================

Applicant: Tai Man CHAN <ChanTai-man@hotmail.com>
                        <Tai Man CHAN/SMO/LANDSD/HKSARG>

Request: 2013-06-24 16:19:39 (HKT)
Process: 2013-06-24 16:29:02 (HKT)

New Station Name: KL2

Computation Accuracy: 10mm + 3ppm

Upload files: 1. KL2_AM0-1.12o    916Kb  KL2  1.547m
              2. KL2_AM0-2.12o    833Kb  KL2  1.547m


Reference Station
----------------------------------------------------------------
No.  Station      Latitude (N)      Longitude (E)     Ell.Height
----------------------------------------------------------------
1     HKFN     22^ 29' 40.87008"  114^ 08' 17.40609"    41.210m
2     HKKT     22^ 26' 41.66174"  114^ 03' 59.63436"    34.557m
3     HKLT     22^ 25' 05.28272"  113^ 59' 47.84432"   125.935m
----------------------------------------------------------------


Observation Session
-----------------------------------------------------------------
Sess     Start(HKT)         End(HKT)      Duration      Lapse
-----------------------------------------------------------------
1    2012-05-03 11:41  2012-05-03 12:10  00:28(Pass)
2    2012-05-03 12:40  2012-05-03 13:08  00:28(Pass)  00:30(Pass)
-----------------------------------------------------------------




Checking Origin - Misclosure Summary
--------------------------------------------------------------------
Session   Origin      Length   Latitude   Longitude   Allowable
--------------------------------------------------------------------
1       HKFN - HKKT    9.2km      3.3mm      9.6mm      58.7mm  Pass
        HKFN - HKLT   16.9        6.9        9.6        60.0    Pass
        HKKT - HKLT    7.8       13.2       18.9        50.8    Pass
--------------------------------------------------------------------

2       HKFN - HKKT    9.2km      4.8mm     17.6mm      58.7mm  Pass
        HKFN - HKLT   16.9       10.2       15.3        60.0    Pass
        HKKT - HKLT    7.8        2.5        8.0        50.8    Pass
--------------------------------------------------------------------


Baseline Ambiguity Status and Quality
--------------------------------------------------------------------
No. From  To     Sess  Dist  GDOP 3DQly  Fix  IonoAct Frequency
--------------------------------------------------------------------
1   HKFN  KL2       1   5.6   3.9   2.0  Yes  Auto    Iono Free (L3)
2   HKKT  KL2       1   5.6   3.9   3.2  Yes  Auto    Iono Free (L3)
3   HKLT  KL2       1  12.2   3.9  37.4  No   Medium  Iono Free (L3) ***
--------------------------------------------------------------------
4   HKFN  KL2       2   5.6   4.0   1.7  Yes  Auto    Iono Free (L3)
5   HKKT  KL2       2   5.6   4.0   3.1  Yes  Auto    Iono Free (L3)
6   HKLT  KL2       2  12.2   4.0   2.9  Yes  Auto    Iono Free (L3)
--------------------------------------------------------------------



Repeated Baseline Summary
--------------------------------------------------------------------
Sess  GDOP    Delta Lat    Delta Long   Delta Ht  Remarks
--------------------------------------------------------------------
HKFN - KL2
1     3.9   -0'05.15386"  -3'15.38960"  -33.8426
2     4.0   -0'05.15412"  -3'15.38987"  -33.8363
--------------------------------------------------------------------
   Spread:        7.9mm         8.0mm             2 Baselines
Allowable:       55.2mm        55.2mm             L=5.587km

--------------------------------------------------------------------
HKKT - KL2
1     3.9    2'54.05439"   1'02.38176"  -27.1934
2     4.0    2'54.05448"   1'02.38152"  -27.1481
--------------------------------------------------------------------
   Spread:        2.9mm         7.2mm             2 Baselines
Allowable:       55.6mm        55.6mm             L=5.643km

--------------------------------------------------------------------
HKLT - KL2
2     4.0    4'30.43518"   5'14.17048" -118.3870  ???
--------------------------------------------------------------------




Least Squares Network Adjustment - Residuals Report
--------------------------------------------------------------------
Baseline     Session        Input   Std Err  --Residual--  Allowable
                             (m)      (mm)     XYZ    ENH     ENH
--------------------------------------------------------------------
1    HKLT -     2    DX   -6864.4886  13.6   -15.5  -35.3  60.0 Pass
     KL2             DY   -6661.1323  23.8   121.5   48.2  60.0 Pass
                     DZ    7642.7239  13.9   100.6  146.8
                     DV   12243.4927
--------------------------------------------------------------------
2    HKKT -     1    DX    -783.3067  13.6    11.2    2.0  39.3 Pass
     KL2             DY   -2618.6670  23.8   -30.2   -6.5  39.3 Pass
                     DZ    4937.1282  13.9   -20.3  -37.5
                     DV    5643.2456
--------------------------------------------------------------------
3    HKKT -     2    DX    -783.3171  13.6     0.9   -4.8  39.3 Pass
     KL2             DY   -2618.6271  23.8     9.7   -3.5  39.3 Pass
                     DZ    4937.1482  13.9    -0.3    7.8
                     DV    5643.2460
--------------------------------------------------------------------
4    HKFN -     1    DX    5085.6861  13.6     0.7   12.6  39.0 Pass
     KL2             DY    2308.3066  23.8   -32.3   -3.7  39.0 Pass
                     DZ    -159.4211  13.9   -16.3  -33.7
                     DV    5587.2978
--------------------------------------------------------------------
5    HKFN -     2    DX    5085.6894  13.6     4.1    4.9  39.0 Pass
     KL2             DY    2308.3179  23.8   -21.0  -11.7  39.0 Pass
                     DZ    -159.4262  13.9   -21.3  -27.4
                     DV    5587.3057
--------------------------------------------------------------------



* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*                                                                 *
*   Final Result - KL2                                            *
*                                                                 *
*   WGS84 (ITRF96) Geodetic Coordinates                           *
*   -----------------------------------                           *
*   Latitude   =  22^ 29' 35.71634" N    Standard Error = 10.0mm  *
*   Longitude  = 114^ 05' 02.01604" E    Standard Error = 9.8mm   *
*   Ell Height = 7.4012m                 Standard Error = 27.4mm  *
*                                                                 *
*   Hong Kong 1980 Grid Coordinates (By Two Step Transformation)  *
*   ------------------------------------------------------------  *
*   Northing = 839298.891m                                        *
*   Easting  = 826700.125m                                        *
*   Height   =     10.932m (for reference only)                   *
*                                                                 *
*   The station 'KL2' is                                          *
*   - fixed by 5 independent GPS baselines          (at least 3)  *
*   - connected to 3 SatRef GPS stations            (at least 2)  *
*   - obtained from 2 observation sessions          (at least 2)  *
*   - computed by following baselines (sessions)                  *
*     ~ HKFN 12  (5.6km)                                          *
*     ~ HKKT 12  (5.6km)                                          *
*     ~ HKLT -2 (12.2km)                                          *
*                                                                 *
*   Computation Accuracy     : 10mm + 3ppm                        *
*   Maximum Standard Error   : 30mm                               *
*   Minimum Session Duration : 15 minutes                         *
*   Minimum Session Lapse    : 30 minutes                         *
*   Elevation Mask           : 15 degrees                         *
*   Reject GDOP Exceed       : 5                                  *
*   Frequency Strategy       : L3 Preference                      *
*                                                                 *
*   This automatic computation result is for reference purpose    *
*   only.  Different survey purposes have different survey        *
*   specifications and requirements.  Lands Department gives no   *
*   guarantee regarding the correctness and completeness of this  *
*   automatic computation and shall not be liable for any loss    *
*   and damages arising from or related to the use of this        *
*   automatic computation result.  Please verify this automatic   *
*   computation result before use.                                *
*                                                                 *
* * 1.22.000734 * * * * * * * * * * * 2013-06-24 16:30:56 (HKT) * *



Remarks: Please click below links to get HTML result and full report.
         The link is valid until 2013-08-24.

Result.htm   FullReport.zip