PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-19:27:50
G01     57.8           29.5               10.8 +/-    1.23      19.1 +/-    1.23  0.050 / 0.150
G07     142.1          14.9               12.1 +/-    1.23      30.1 +/-    1.23  0.060 / 0.160
G11     46.9           21.8                8.9 +/-    1.03      18.7 +/-    1.03  0.050 / 0.060
G13     259.5          35.3               13.6 +/-    1.12      21.5 +/-    1.12  0.050 / 0.050
G15     291.4          16.6               11.7 +/-    2.28      27.9 +/-    2.28  0.050 / 0.050
G17     264.9          77.6               11.2 +/-    0.80      11.4 +/-    0.80  0.040 / 0.060
G18     40.0           10.5                8.1 +/-   11.05      22.4 +/-   11.05  0.170 / 0.210
G19     233.8          52.8               14.2 +/-    1.73      17.3 +/-    1.73  0.130 / 0.270
G28     30.4           58.5               11.1 +/-    0.71      12.8 +/-    0.71  0.260 / 0.620
G30     144.4          48.2               12.1 +/-    1.67      15.6 +/-    1.67  0.210 / 0.520