PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/05-05:58:00
G01     64.8           31.9                4.4 +/-    0.56       7.5 +/-    0.56  0.050 / 0.070
G06     181.7          10.3              -13.3 +/-   31.15     -37.0 +/-   31.15  0.070 / 0.060
G07     140.0          24.3                8.2 +/-    2.11      16.3 +/-    2.11  0.070 / 0.170
G11     49.5           25.7                5.0 +/-    0.54       9.7 +/-    0.54  0.060 / 0.170
G13     267.4          37.0                7.7 +/-    1.36      11.9 +/-    1.36  0.040 / 0.040
G15     299.6          15.2                0.5 +/-    2.12       1.3 +/-    2.12  0.040 / 0.040
G17     248.4          76.2                9.0 +/-    0.62       9.2 +/-    0.62  0.020 / 0.040
G19     227.8          44.2               10.3 +/-    0.75      14.1 +/-    0.75  0.030 / 0.030
G28     24.9           58.9                6.0 +/-    0.65       6.9 +/-    0.65  0.070 / 0.120
G30     140.7          58.4                9.0 +/-    0.75      10.4 +/-    0.75  0.080 / 0.130