PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-07:58:10
G01     81.2           32.1                4.1 +/-    0.57       6.9 +/-    0.57  0.030 / 0.040
G07     130.2          39.4                5.9 +/-    0.36       8.6 +/-    0.36  0.030 / 0.040
G11     63.6           39.5                3.9 +/-    0.54       5.7 +/-    0.54  0.060 / 0.100
G13     286.4          38.7                5.2 +/-    1.84       7.8 +/-    1.84  0.060 / 0.090
G15     310.5          12.7                3.0 +/-    0.92       7.9 +/-    0.92  0.030 / 0.080
G17     218.0          58.2                6.7 +/-    1.01       7.7 +/-    1.01  0.030 / 0.070
G19     216.3          34.6                8.0 +/-    0.90      12.8 +/-    0.90  0.050 / 0.050
G28     343.5          61.5                3.3 +/-    0.83       3.7 +/-    0.83  0.040 / 0.040
G30     118.4          74.4                5.6 +/-    0.66       5.8 +/-    0.66  0.050 / 0.070