PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/10-17:27:50
G01     54.5           27.9                8.5 +/-    0.67      15.6 +/-    0.67  0.150 / 0.330
G06     179.1          18.5                9.2 +/-   21.61      21.0 +/-   21.61  0.100 / 0.310
G07     143.4          13.2               11.3 +/-    2.01      29.2 +/-    2.01  0.030 / 0.060
G11     45.9           19.7                7.9 +/-    0.78      17.5 +/-    0.78  0.040 / 0.070
G13     255.6          34.0               11.7 +/-    1.45      19.0 +/-    1.45  0.100 / 0.300
G15     288.5          16.4               10.3 +/-    1.68      24.8 +/-    1.68  0.100 / 0.220
G17     275.5          78.0               12.3 +/-    0.45      12.5 +/-    0.45  0.060 / 0.100
G19     237.7          56.0               11.7 +/-    0.94      13.8 +/-    0.94  0.050 / 0.110
G28     35.0           57.9               10.6 +/-    0.51      12.2 +/-    0.51  0.040 / 0.040
G30     146.1          44.0               13.7 +/-    1.30      18.7 +/-    1.30  0.030 / 0.030