PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/07-06:42:40
G01     68.5           31.7                4.0 +/-    0.91       6.8 +/-    0.91  0.140 / 0.310
G07     137.0          30.6                6.6 +/-    0.91      11.5 +/-    0.91  0.130 / 0.330
G11     54.8           33.8                2.9 +/-    0.95       4.7 +/-    0.95  0.060 / 0.130
G13     272.8          38.7                8.8 +/-    1.29      13.0 +/-    1.29  0.060 / 0.150
G15     300.8          16.1                1.9 +/-    4.23       4.6 +/-    4.23  0.030 / 0.050
G17     231.3          69.1                7.1 +/-    0.93       7.5 +/-    0.93  0.040 / 0.040
G19     223.1          44.4                5.6 +/-    1.73       7.6 +/-    1.73  0.060 / 0.120
G28     2.8            61.3                3.7 +/-    1.09       4.2 +/-    1.09  0.060 / 0.110
G30     136.1          65.4                7.3 +/-    1.00       7.9 +/-    1.00  0.040 / 0.070