PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/10-20:57:30
G02     18.5           66.0                9.2 +/-    0.45       9.9 +/-    0.45  0.060 / 0.050
G05     153.5          51.1               13.2 +/-    0.54      16.5 +/-    0.54  0.050 / 0.040
G06     48.3           23.7                8.7 +/-    2.29      17.5 +/-    2.29  0.080 / 0.090
G12     217.1          78.2               11.6 +/-    0.76      11.9 +/-    0.76  0.060 / 0.100
G19     89.2           19.2                9.4 +/-    2.30      21.1 +/-    2.30  0.480 / 0.570
G24     215.2          10.5                8.2 +/-   35.57      22.7 +/-   35.57  0.260 / 0.380
G25     309.9          44.6                9.5 +/-    0.93      12.9 +/-    0.93  0.090 / 0.050
G29     298.3          18.5               10.6 +/-    3.03      24.2 +/-    3.03  0.090 / 0.110