PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-08:42:40
G02     57.1           33.9                1.9 +/-    0.78       3.0 +/-    0.78  0.040 / 0.070
G05     65.1           63.9                4.1 +/-    0.64       4.5 +/-    0.64  0.050 / 0.080
G12     187.3          39.0                6.1 +/-    2.01       9.1 +/-    2.01  0.030 / 0.030
G13     132.7          11.9                3.8 +/-    1.72      10.1 +/-    1.72  0.030 / 0.030
G20     208.0          49.4                6.0 +/-    2.01       7.6 +/-    2.01  0.050 / 0.080
G21     268.2          16.4                6.1 +/-    3.59      14.7 +/-    3.59  0.050 / 0.070
G25     246.0          54.8                6.5 +/-    0.81       7.8 +/-    0.81  0.250 / 0.490
G29     326.4          51.6                1.9 +/-    0.99       2.4 +/-    0.99  0.250 / 0.610