PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/13-06:27:50
G01     124.8          11.7                3.8 +/-    2.11      10.3 +/-    2.11  0.030 / 0.040
G07     57.3           69.0                4.9 +/-    0.63       5.2 +/-    0.63  0.040 / 0.040
G08     50.9           40.3                4.1 +/-    0.60       5.9 +/-    0.60  0.070 / 0.140
G09     176.4          34.3                7.3 +/-    1.53      11.7 +/-    1.53  0.060 / 0.120
G11     120.4          36.5                7.0 +/-    0.92      10.7 +/-    0.92  0.090 / 0.370
G13     320.5          13.3                2.5 +/-    1.50       6.6 +/-    1.50  0.090 / 0.330
G17     199.7          14.1                3.8 +/-    2.74       9.8 +/-    2.74  0.030 / 0.030
G28     268.9          46.9                7.0 +/-    0.94       9.2 +/-    0.94  0.030 / 0.030
G30     329.7          59.0                4.1 +/-    0.69       4.7 +/-    0.69  0.060 / 0.100