PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/01-19:58:00
G01     38.9           12.6                7.8 +/-    1.71      20.6 +/-    1.71  0.070 / 0.330
G02     199.6          12.9               11.9 +/-    2.61      31.0 +/-    2.61  0.070 / 0.380
G06     172.5          45.7               12.9 +/-    1.08      17.2 +/-    1.08  0.120 / 0.200
G13     233.6          18.6               12.7 +/-    2.48      28.8 +/-    2.48  0.150 / 0.210
G15     267.3          10.3                9.1 +/-    3.69      25.1 +/-    3.69  0.040 / 0.040
G17     5.5            68.0               12.4 +/-    0.70      13.3 +/-    0.70  0.040 / 0.040
G19     288.8          69.7               11.4 +/-    0.54      12.1 +/-    0.54  0.040 / 0.070
G24     314.4          23.8                9.1 +/-    3.14      18.3 +/-    3.14  0.050 / 0.090
G28     78.3           44.2               10.7 +/-    0.94      14.5 +/-    0.94  0.130 / 0.460
G30     155.7          22.2               13.6 +/-    1.23      28.4 +/-    1.23  0.090 / 0.520