PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/05-11:58:00
G07     38.4           69.6                4.0 +/-    0.90       4.3 +/-    0.90  0.040 / 0.060
G08     53.5           41.9                3.6 +/-    1.27       5.1 +/-    1.27  0.040 / 0.040
G09     176.9          39.1                6.7 +/-    1.58       9.8 +/-    1.58  0.180 / 0.390
G11     122.0          32.7                5.4 +/-    1.14       8.9 +/-    1.14  0.180 / 0.440
G17     199.2          11.1               -4.4 +/-   17.69     -11.9 +/-   17.69  0.060 / 0.080
G18     107.6          14.3                5.0 +/-    1.60      12.7 +/-    1.60  0.050 / 0.080
G23     160.6          11.9                1.8 +/-    2.39       4.9 +/-    2.39  0.050 / 0.090
G27     38.0           11.2                3.7 +/-    1.90      10.1 +/-    1.90  0.050 / 0.070
G28     268.9          50.1                5.3 +/-    0.82       6.6 +/-    0.82  0.030 / 0.040
G30     326.3          55.6                2.3 +/-    1.65       2.7 +/-    1.65  0.030 / 0.030