PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-17:27:50
G01     56.4           28.8                7.3 +/-    1.29      13.1 +/-    1.29  0.140 / 0.190
G06     179.5          16.8              -22.1 +/-   23.24     -52.7 +/-   23.24  0.110 / 0.240
G07     142.7          14.8                9.8 +/-    1.23      24.4 +/-    1.23  0.040 / 0.060
G11     46.5           21.2                7.3 +/-    1.56      15.6 +/-    1.56  0.040 / 0.060
G13     257.8          34.8               10.5 +/-    1.25      16.7 +/-    1.25  0.080 / 0.200
G15     290.3          16.5                8.4 +/-    1.66      20.2 +/-    1.66  0.090 / 0.270
G17     266.8          77.2                9.7 +/-    0.65       9.9 +/-    0.65  0.070 / 0.100
G19     235.3          54.4               11.3 +/-    1.48      13.6 +/-    1.48  0.070 / 0.120
G28     31.7           58.4                9.1 +/-    0.59      10.5 +/-    0.59  0.030 / 0.030
G30     145.0          45.9               11.0 +/-    0.72      14.7 +/-    0.72  0.030 / 0.030