PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-04:27:50
G01     102.6          27.6                9.2 +/-    0.63      16.9 +/-    0.63  0.040 / 0.030
G07     114.1          52.7                6.7 +/-    0.49       8.2 +/-    0.49  0.030 / 0.030
G08     41.4           14.2                2.2 +/-    2.22       5.5 +/-    2.22  0.050 / 0.070
G11     80.5           42.1                7.3 +/-    0.64      10.3 +/-    0.64  0.050 / 0.050
G13     305.7          31.7                5.0 +/-    1.14       8.5 +/-    1.14  0.090 / 0.130
G17     206.6          45.0                9.8 +/-    0.79      13.3 +/-    0.79  0.060 / 0.140
G19     210.4          14.9                4.0 +/-    6.75      10.0 +/-    6.75  0.040 / 0.080
G28     322.2          61.0                5.3 +/-    1.25       6.0 +/-    1.25  0.050 / 0.070
G30     37.2           79.9                6.1 +/-    0.91       6.2 +/-    0.91  0.040 / 0.040