PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/04-22:42:50
G01     100.8          28.1                9.0 +/-    0.91      16.5 +/-    0.91  0.050 / 0.160
G07     116.8          49.1                9.7 +/-    0.75      12.3 +/-    0.75  0.060 / 0.160
G08     41.4           13.8                6.8 +/-    1.68      17.5 +/-    1.68  0.040 / 0.040
G11     78.7           42.1                9.2 +/-    1.27      12.9 +/-    1.27  0.050 / 0.050
G13     304.3          32.7                8.1 +/-    3.06      13.4 +/-    3.06  0.110 / 0.210
G17     207.3          45.7               10.5 +/-    0.74      14.1 +/-    0.74  0.160 / 0.210
G18     70.5           23.5                8.1 +/-    1.03      16.4 +/-    1.03  0.030 / 0.050
G19     210.4          17.8                2.4 +/-   12.51       5.6 +/-   12.51  0.040 / 0.040
G28     322.0          60.8                7.4 +/-    0.38       8.4 +/-    0.38  0.100 / 0.270
G30     56.0           79.9                8.5 +/-    0.38       8.6 +/-    0.38  0.080 / 0.250