PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/06-23:12:50
G01     80.1           32.9                9.9 +/-    1.17      16.3 +/-    1.17  0.050 / 0.070
G07     132.3          33.7               11.9 +/-    0.65      19.4 +/-    0.65  0.040 / 0.060
G11     58.6           34.9                7.9 +/-    1.46      12.5 +/-    1.46  0.050 / 0.110
G13     284.1          38.3               10.9 +/-    1.05      16.4 +/-    1.05  0.060 / 0.120
G15     308.9          13.3                7.2 +/-    1.27      18.5 +/-    1.27  0.030 / 0.030
G17     221.0          63.7               11.5 +/-    0.36      12.6 +/-    0.36  0.030 / 0.030
G18     53.0           19.7                8.0 +/-    1.72      17.6 +/-    1.72  0.080 / 0.110
G19     218.3          34.2               12.2 +/-    1.47      19.7 +/-    1.47  0.060 / 0.090
G28     357.3          61.4                9.4 +/-    1.24      10.6 +/-    1.24  0.060 / 0.080
G30     124.8          69.3               10.3 +/-    0.63      11.0 +/-    0.63  0.050 / 0.090