PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/22-23:43:10
G01     39.6           14.2                7.4 +/-    3.20      18.7 +/-    3.20  0.100 / 0.160
G02     199.1          10.8                0.7 +/-    7.72       1.8 +/-    7.72  0.090 / 0.210
G06     177.6          38.0               11.4 +/-    1.21      17.1 +/-    1.21  0.040 / 0.050
G13     234.8          20.7               10.1 +/-    2.01      21.9 +/-    2.01  0.040 / 0.060
G15     268.0          11.4                9.0 +/-    2.68      24.4 +/-    2.68  0.030 / 0.030
G17     9.9            67.5                8.7 +/-    0.60       9.3 +/-    0.60  0.030 / 0.020
G19     283.7          70.0                8.5 +/-    1.34       9.0 +/-    1.34  0.110 / 0.220
G24     314.8          22.8                7.5 +/-    2.14      15.4 +/-    2.14  0.200 / 0.270
G28     71.0           48.5                8.2 +/-    1.06      10.5 +/-    1.06  0.080 / 0.150
G30     155.0          24.5               11.1 +/-    1.51      21.8 +/-    1.51  0.080 / 0.140