PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-16:27:50
G01     114.1          21.5               12.8 +/-    1.02      27.1 +/-    1.02  0.030 / 0.040
G07     93.4           63.6               11.4 +/-    0.80      12.5 +/-    0.80  0.030 / 0.030
G08     43.3           27.6                9.1 +/-    1.11      16.8 +/-    1.11  0.030 / 0.040
G09     175.8          19.9               11.1 +/-    1.53      24.5 +/-    1.53  0.040 / 0.040
G11     99.6           41.8               12.0 +/-    0.94      17.0 +/-    0.94  0.050 / 0.090
G13     314.6          23.7               10.4 +/-    1.90      21.0 +/-    1.90  0.050 / 0.100
G17     203.8          28.7               12.4 +/-    0.64      22.3 +/-    0.64  0.060 / 0.100
G18     88.4           22.8                9.3 +/-    1.09      19.1 +/-    1.09  0.070 / 0.110
G28     303.6          59.3               11.0 +/-    0.85      12.6 +/-    0.85  0.080 / 0.140
G30     359.1          73.3               11.6 +/-    1.13      12.0 +/-    1.13  0.050 / 0.140