PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/24-06:27:50
G01     73.0           33.1                4.7 +/-    1.21       7.7 +/-    1.21  0.060 / 0.100
G07     136.2          30.9                7.4 +/-    1.19      12.7 +/-    1.19  0.060 / 0.100
G11     53.8           30.8                5.0 +/-    2.19       8.6 +/-    2.19  0.040 / 0.070
G13     276.4          38.1                6.6 +/-    1.59      10.0 +/-    1.59  0.060 / 0.080
G15     306.1          13.6                1.4 +/-    1.36       3.5 +/-    1.36  0.030 / 0.020
G17     230.6          70.3                7.8 +/-    0.33       8.2 +/-    0.33  0.030 / 0.030
G19     222.4          37.6                7.9 +/-    1.40      12.0 +/-    1.40  0.030 / 0.030
G28     12.6           60.3                5.1 +/-    1.32       5.8 +/-    1.32  0.030 / 0.030
G30     133.5          65.4                8.3 +/-    0.49       9.1 +/-    0.49  0.050 / 0.040