PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/25-01:12:50
G01     43.9           20.1                5.0 +/-    2.82      11.0 +/-    2.82  0.400 / 0.250
G06     179.6          28.9                6.5 +/-    2.13      11.7 +/-    2.13  0.270 / 0.310
G13     241.7          25.9                6.2 +/-    1.84      11.9 +/-    1.84  0.050 / 0.030
G15     275.6          13.9                4.7 +/-    1.99      12.0 +/-    1.99  0.040 / 0.030
G17     355.8          73.5                6.1 +/-    0.57       6.3 +/-    0.57  0.180 / 0.210
G19     261.3          65.5              -15.1 +/-    0.96     -16.4 +/-    0.96  0.110 / 0.270
G24     317.2          16.9                5.5 +/-    1.83      12.9 +/-    1.83  0.040 / 0.050
G28     60.3           51.8                5.4 +/-    0.63       6.7 +/-    0.63  0.040 / 0.060
G30     153.0          33.1                7.4 +/-    1.28      12.2 +/-    1.28  0.090 / 0.120