PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-01:42:40
G02     203.8          38.6                6.3 +/-    1.36       9.4 +/-    1.36  0.080 / 0.080
G06     167.9          68.5                5.3 +/-    0.39       5.6 +/-    0.39  0.060 / 0.090
G12     308.0          15.4                2.1 +/-    1.74       5.1 +/-    1.74  0.050 / 0.120
G17     40.2           45.4                4.1 +/-    0.92       5.5 +/-    0.92  0.050 / 0.100
G19     6.1            63.7                4.6 +/-    0.55       5.1 +/-    0.55  0.040 / 0.040
G24     292.2          40.8                1.5 +/-    9.51       2.2 +/-    9.51  0.040 / 0.030
G28     103.5          32.3                5.9 +/-    0.65       9.9 +/-    0.65  0.100 / 0.200