PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-16:28:00
G01     306.3          33.6                6.7 +/-    1.45      11.0 +/-    1.45  0.040 / 0.040
G10     107.0          39.8                8.5 +/-    0.69      12.4 +/-    0.69  0.040 / 0.040
G11     283.5          27.2                6.9 +/-    1.67      12.9 +/-    1.67  0.070 / 0.150
G14     355.6          66.9                6.5 +/-    0.55       7.0 +/-    0.55  0.070 / 0.140
G22     310.3          27.7                4.9 +/-    1.23       9.0 +/-    1.23  0.080 / 0.060
G25     81.9           17.0                9.1 +/-    1.42      21.6 +/-    1.42  0.070 / 0.060
G31     164.9          66.5                9.5 +/-    1.29      10.2 +/-    1.29  0.090 / 0.220
G32     37.8           51.3                9.0 +/-    0.56      11.2 +/-    0.56  0.080 / 0.200