PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/17-06:43:10
G01     80.2           33.1                5.6 +/-    0.79       9.3 +/-    0.79  0.030 / 0.040
G07     132.4          36.4                7.6 +/-    0.65      11.7 +/-    0.65  0.030 / 0.040
G11     58.5           34.6                4.1 +/-    0.58       6.5 +/-    0.58  0.040 / 0.090
G13     284.0          38.1                5.0 +/-    1.06       7.5 +/-    1.06  0.030 / 0.070
G15     311.1          11.7                2.3 +/-    2.04       6.1 +/-    2.04  0.090 / 0.110
G17     221.7          64.6                7.8 +/-    0.67       8.5 +/-    0.67  0.120 / 0.100
G18     53.4           20.0                3.1 +/-    1.95       6.9 +/-    1.95  0.070 / 0.120
G19     218.8          32.0                5.9 +/-    1.56      10.0 +/-    1.56  0.080 / 0.110
G28     1.6            61.2                3.7 +/-    0.64       4.2 +/-    0.64  0.080 / 0.290
G30     124.2          71.1                7.5 +/-    1.05       7.9 +/-    1.05  0.080 / 0.250