PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/05-08:12:40
G02     58.8           32.8                2.8 +/-    0.65       4.6 +/-    0.65  0.190 / 0.430
G05     60.0           62.1                4.2 +/-    0.95       4.7 +/-    0.95  0.210 / 0.460
G12     186.3          36.0                5.5 +/-    1.95       8.6 +/-    1.95  0.040 / 0.040
G13     128.6          14.1                4.6 +/-    2.52      11.8 +/-    2.52  0.030 / 0.030
G15     164.4          11.4                2.5 +/-   11.02       6.7 +/-   11.02  0.130 / 0.300
G21     272.5          21.1                4.0 +/-    1.78       8.5 +/-    1.78  0.160 / 0.230
G25     232.6          52.4                4.8 +/-    1.30       5.8 +/-    1.30  0.070 / 0.080
G29     331.0          56.6                3.3 +/-    0.93       3.9 +/-    0.93  0.080 / 0.100