PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/26-16:27:50
G01     269.5          40.7                9.4 +/-    2.54      13.6 +/-    2.54  0.040 / 0.060
G03     316.3          34.0                7.7 +/-    2.04      12.4 +/-    2.04  0.060 / 0.050
G10     130.4          16.4                9.8 +/-    1.44      23.5 +/-    1.44  0.050 / 0.060
G11     252.7          19.9                8.4 +/-    4.05      18.5 +/-    4.05  0.050 / 0.060
G14     42.7           50.8                8.0 +/-    0.55      10.0 +/-    0.55  0.030 / 0.020
G22     313.9          54.7                9.4 +/-    0.88      11.2 +/-    0.88  0.030 / 0.020
G25     52.0           16.9                7.5 +/-    1.55      17.8 +/-    1.55  0.130 / 0.190
G26     146.5          26.3               11.2 +/-    1.00      21.2 +/-    1.00  0.110 / 0.150
G31     52.2           72.0                8.8 +/-    0.42       9.2 +/-    0.42  0.090 / 0.080
G32     65.7           31.0                7.1 +/-    2.26      12.2 +/-    2.26  0.080 / 0.070