PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-21:27:50
G01     122.2          15.0               13.3 +/-    1.54      33.1 +/-    1.54  0.050 / 0.080
G07     78.9           64.7               11.3 +/-    0.47      12.4 +/-    0.47  0.040 / 0.060
G08     46.2           33.3                8.6 +/-    0.49      14.1 +/-    0.49  0.140 / 0.350
G09     177.7          30.9               11.6 +/-    2.60      19.9 +/-    2.60  0.090 / 0.310
G11     109.8          38.8               12.3 +/-    0.80      18.2 +/-    0.80  0.040 / 0.040
G13     319.1          16.9                8.4 +/-    1.70      20.0 +/-    1.70  0.040 / 0.040
G17     199.8          22.0               13.8 +/-    1.25      28.9 +/-    1.25  0.130 / 0.290
G18     95.0           19.0               11.2 +/-    1.17      25.3 +/-    1.17  0.130 / 0.240
G28     280.5          53.1               12.8 +/-    1.00      15.6 +/-    1.00  0.030 / 0.040
G30     340.5          65.6               10.1 +/-    0.60      11.0 +/-    0.60  0.030 / 0.040