PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-15:58:10
G01     83.7           32.9               11.1 +/-    1.39      18.4 +/-    1.39  0.060 / 0.100
G07     130.2          40.8               11.3 +/-    0.84      16.3 +/-    0.84  0.050 / 0.120
G11     62.6           37.1                9.8 +/-    1.00      15.0 +/-    1.00  0.020 / 0.020
G13     288.0          37.4               13.8 +/-    0.85      21.0 +/-    0.85  0.030 / 0.020
G15     313.0          11.0               -1.1 +/-   22.99      -2.9 +/-   22.99  0.030 / 0.070
G17     219.2          58.2               12.4 +/-    1.05      14.3 +/-    1.05  0.040 / 0.060
G18     58.3           22.4                9.6 +/-    2.42      19.9 +/-    2.42  0.040 / 0.050
G19     217.5          29.6               12.7 +/-    2.33      22.4 +/-    2.33  0.060 / 0.040
G28     359.7          61.2               10.1 +/-    0.82      11.3 +/-    0.82  0.100 / 0.140
G30     118.8          72.3               11.7 +/-    0.30      12.3 +/-    0.30  0.160 / 0.190