PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/26-03:43:10
G01     91.4           31.4                7.3 +/-    1.14      12.4 +/-    1.14  0.040 / 0.050
G07     124.9          43.9                7.8 +/-    0.61      10.7 +/-    0.61  0.040 / 0.060
G11     67.9           39.3                4.7 +/-    1.36       6.9 +/-    1.36  0.060 / 0.100
G13     295.5          36.2                5.3 +/-    2.10       8.3 +/-    2.10  0.070 / 0.110
G17     212.5          55.3                7.3 +/-    0.68       8.7 +/-    0.68  0.070 / 0.090
G18     61.4           22.3                4.0 +/-    1.81       8.4 +/-    1.81  0.100 / 0.080
G19     213.9          24.3                6.5 +/-    1.65      13.0 +/-    1.65  0.060 / 0.050
G28     341.7          61.8                4.2 +/-    0.39       4.7 +/-    0.39  0.040 / 0.040
G30     96.8           78.1                5.4 +/-    0.52       5.5 +/-    0.52  0.080 / 0.220