PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/06-00:57:40
G02     0.1            75.4               11.8 +/-    0.76      12.1 +/-    0.76  0.020 / 0.030
G05     161.1          38.3               16.1 +/-    1.06      24.1 +/-    1.06  0.020 / 0.030
G06     42.8           36.3               12.7 +/-    0.96      19.7 +/-    0.96  0.080 / 0.130
G12     303.1          75.0               12.3 +/-    0.74      12.7 +/-    0.74  0.060 / 0.120
G17     87.9           12.3               15.3 +/-    1.26      40.6 +/-    1.26  0.040 / 0.070
G19     78.0           26.0               14.5 +/-    1.58      27.8 +/-    1.58  0.050 / 0.060
G24     225.4          20.0               14.3 +/-    1.64      31.5 +/-    1.64  0.070 / 0.120
G25     316.6          31.6               12.3 +/-    1.80      20.8 +/-    1.80  0.090 / 0.090
G29     288.7          10.4               -6.2 +/-   22.26     -17.1 +/-   22.26  0.090 / 0.230