PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-15:42:40
G01     105.3          25.7               10.7 +/-    1.09      20.5 +/-    1.09  0.030 / 0.060
G07     111.1          52.5               11.8 +/-    0.49      14.5 +/-    0.49  0.030 / 0.050
G08     41.9           20.6                8.5 +/-    0.59      18.4 +/-    0.59  0.040 / 0.060
G09     175.3          14.1               13.4 +/-    0.86      34.2 +/-    0.86  0.040 / 0.060
G11     86.6           43.4               10.5 +/-    0.73      14.4 +/-    0.73  0.050 / 0.100
G13     308.3          30.2               11.7 +/-    2.19      20.4 +/-    2.19  0.040 / 0.080
G17     205.8          37.4               13.4 +/-    0.74      20.3 +/-    0.74  0.090 / 0.150
G18     77.8           24.1                9.6 +/-    0.61      19.1 +/-    0.61  0.070 / 0.120
G28     309.1          59.0               11.1 +/-    0.92      12.8 +/-    0.92  0.040 / 0.100
G30     45.8           78.6               10.8 +/-    0.63      11.0 +/-    0.63  0.040 / 0.090