PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/01-19:12:50
G02     200.0          18.5               13.2 +/-    2.16      30.1 +/-    2.16  0.060 / 0.090
G06     172.3          50.5               13.0 +/-    1.11      16.3 +/-    1.11  0.050 / 0.090
G13     227.7          14.7               13.3 +/-    3.91      33.3 +/-    3.91  0.080 / 0.150
G17     18.1           62.1                9.8 +/-    0.67      11.0 +/-    0.67  0.070 / 0.170
G19     317.8          71.7               10.1 +/-    0.51      10.5 +/-    0.51  0.130 / 0.310
G24     310.9          28.3                9.6 +/-    1.44      17.4 +/-    1.44  0.110 / 0.320
G28     81.4           45.0               10.8 +/-    1.01      14.6 +/-    1.01  0.140 / 0.390
G30     155.8          13.6               12.4 +/-    1.69      31.9 +/-    1.69  0.140 / 0.390