PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/05-04:57:40
G01     63.2           30.6                4.3 +/-    0.88       7.4 +/-    0.88  0.030 / 0.040
G06     180.5          10.5              -16.9 +/-   23.26     -46.7 +/-   23.26  0.030 / 0.030
G07     139.5          27.1                6.8 +/-    0.76      12.6 +/-    0.76  0.120 / 0.190
G11     52.2           31.5                3.8 +/-    1.55       6.5 +/-    1.55  0.100 / 0.190
G13     266.9          37.9                5.6 +/-    2.64       8.4 +/-    2.64  0.040 / 0.060
G15     295.6          17.1                4.4 +/-    1.24      10.5 +/-    1.24  0.040 / 0.050
G17     241.7          73.9                6.5 +/-    0.37       6.7 +/-    0.37  0.040 / 0.030
G19     226.9          48.7                5.9 +/-    2.66       7.6 +/-    2.66  0.020 / 0.020
G28     10.3           61.0                4.2 +/-    1.99       4.7 +/-    1.99  0.070 / 0.130
G30     140.9          61.7                5.8 +/-    0.56       6.5 +/-    0.56  0.070 / 0.110