PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-15:12:50
G01     91.4           30.8               10.9 +/-    0.63      18.7 +/-    0.63  0.030 / 0.070
G07     124.4          42.5               10.1 +/-    0.47      14.1 +/-    0.47  0.030 / 0.070
G08     42.2           10.6                8.8 +/-    4.42      24.3 +/-    4.42  0.050 / 0.060
G11     70.0           41.0                8.7 +/-    0.50      12.4 +/-    0.50  0.060 / 0.060
G13     295.9          36.5               10.5 +/-    0.70      16.2 +/-    0.70  0.040 / 0.090
G17     212.5          49.6               12.6 +/-    0.83      15.9 +/-    0.83  0.040 / 0.090
G18     64.4           23.7                7.9 +/-    0.68      15.8 +/-    0.68  0.080 / 0.120
G19     212.9          26.5               10.5 +/-    1.92      19.9 +/-    1.92  0.090 / 0.120
G28     333.0          61.2                8.7 +/-    1.30       9.8 +/-    1.30  0.060 / 0.070
G30     103.1          75.2                9.8 +/-    1.02      10.2 +/-    1.02  0.030 / 0.070