PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/22-00:12:30
G02     200.0          21.7               -4.7 +/-    1.92     -10.0 +/-    1.92  0.110 / 0.120
G06     175.3          50.4                8.7 +/-    0.97      10.9 +/-    0.97  0.110 / 0.080
G13     226.2          13.1                8.8 +/-    5.36      22.8 +/-    5.36  0.110 / 0.420
G17     24.3           58.3                7.6 +/-    0.85       8.7 +/-    0.85  0.080 / 0.280
G19     322.4          71.1                6.2 +/-    0.91       6.5 +/-    0.91  0.070 / 0.060
G24     308.6          31.3                7.6 +/-    1.62      13.0 +/-    1.62  0.050 / 0.070
G28     85.4           42.7                8.3 +/-    0.87      11.6 +/-    0.87  0.030 / 0.030
G30     157.0          13.8                9.5 +/-    1.70      24.3 +/-    1.70  0.040 / 0.030