PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/22-03:43:00
G01     63.2           31.5                3.9 +/-    0.59       6.6 +/-    0.59  0.040 / 0.050
G06     183.1          10.0              -19.3 +/-   19.55     -53.8 +/-   19.55  0.060 / 0.060
G07     141.0          24.9                7.2 +/-    1.23      14.1 +/-    1.23  0.050 / 0.120
G11     50.6           27.3                3.3 +/-    2.29       6.1 +/-    2.29  0.050 / 0.130
G13     267.3          35.9                6.5 +/-    1.47      10.2 +/-    1.47  0.090 / 0.240
G15     295.8          16.7                2.9 +/-    1.50       6.9 +/-    1.50  0.090 / 0.210
G17     249.2          74.1                6.0 +/-    0.42       6.2 +/-    0.42  0.040 / 0.030
G19     230.1          49.0                6.8 +/-    1.43       8.7 +/-    1.43  0.030 / 0.030
G28     32.3           57.2                3.5 +/-    0.62       4.1 +/-    0.62  0.060 / 0.090
G30     140.8          51.7                6.2 +/-    0.59       7.6 +/-    0.59  0.050 / 0.080