PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/15-01:13:10
G01     40.4           15.1                6.7 +/-    1.65      16.7 +/-    1.65  0.140 / 0.300
G02     198.8          11.4                3.0 +/-   11.67       8.2 +/-   11.67  0.150 / 0.290
G06     175.5          40.3               10.8 +/-    1.15      15.6 +/-    1.15  0.020 / 0.030
G13     236.8          20.8                8.5 +/-    1.89      18.3 +/-    1.89  0.030 / 0.020
G15     268.7          11.8                4.6 +/-   14.11      12.5 +/-   14.11  0.040 / 0.060
G17     357.7          70.6                7.6 +/-    0.64       8.0 +/-    0.64  0.050 / 0.060
G19     283.1          69.8                7.4 +/-    0.85       7.9 +/-    0.85  0.060 / 0.050
G24     316.2          20.3                5.7 +/-    3.22      12.5 +/-    3.22  0.060 / 0.070
G28     74.6           45.5                7.7 +/-    0.80      10.3 +/-    0.80  0.370 / 0.190
G30     154.1          22.9               10.9 +/-    1.56      22.4 +/-    1.56  0.170 / 0.240