PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/11-20:27:50
G01     89.8           31.5               14.4 +/-    1.46      24.5 +/-    1.46  0.070 / 0.150
G07     126.2          39.6               15.5 +/-    1.34      22.7 +/-    1.34  0.140 / 0.140
G11     67.0           39.4               13.1 +/-    1.97      19.2 +/-    1.97  0.040 / 0.060
G13     294.1          36.8               11.1 +/-    3.00      17.0 +/-    3.00  0.040 / 0.070
G15     314.9          10.4               -8.8 +/-    9.30     -24.4 +/-    9.30  0.050 / 0.040
G17     213.3          54.5               16.8 +/-    0.68      20.1 +/-    0.68  0.060 / 0.050
G18     61.5           22.8               11.6 +/-    1.16      23.8 +/-    1.16  0.060 / 0.120
G19     213.9          27.1               16.1 +/-    1.15      30.0 +/-    1.15  0.050 / 0.120
G28     339.6          61.6               12.5 +/-    0.72      14.0 +/-    0.72  0.030 / 0.020
G30     106.7          74.9               14.8 +/-    1.20      15.3 +/-    1.20  0.030 / 0.020