PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/10-09:43:00
G01     41.9           17.7                2.4 +/-    0.66       5.6 +/-    0.66  0.070 / 0.080
G06     174.2          35.6                6.9 +/-    0.86      10.8 +/-    0.86  0.070 / 0.090
G13     239.4          25.1                5.3 +/-    1.34      10.3 +/-    1.34  0.030 / 0.030
G15     273.7          13.4                3.9 +/-    1.69      10.0 +/-    1.69  0.030 / 0.030
G17     349.0          74.1                6.3 +/-    0.62       6.5 +/-    0.62  0.060 / 0.200
G19     269.1          69.1                4.9 +/-    0.50       5.2 +/-    0.50  0.060 / 0.210
G24     317.8          14.6              -19.6 +/-   14.24     -49.3 +/-   14.24  0.130 / 0.470
G28     57.4           54.0                4.9 +/-    1.31       5.9 +/-    1.31  0.040 / 0.060
G30     154.3          33.7                7.7 +/-    1.14      12.5 +/-    1.14  0.040 / 0.050