PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/14-12:27:50
G01     261.8          40.0                7.0 +/-    3.04      10.2 +/-    3.04  0.060 / 0.080
G03     317.1          40.0                3.7 +/-    0.86       5.4 +/-    0.86  0.060 / 0.100
G10     132.8          10.9                5.0 +/-    1.19      13.6 +/-    1.19  0.060 / 0.070
G11     244.1          16.5                6.2 +/-    1.91      14.9 +/-    1.91  0.050 / 0.110
G14     50.7           45.9                4.5 +/-    0.83       6.0 +/-    0.83  0.210 / 0.250
G18     225.6          34.1                8.2 +/-    1.38      13.3 +/-    1.38  0.210 / 0.250
G22     311.6          63.2                4.0 +/-    0.66       4.4 +/-    0.66  0.040 / 0.040
G25     46.6           13.8                3.8 +/-    3.28       9.7 +/-    3.28  0.030 / 0.040
G31     47.3           69.1                3.4 +/-    0.33       3.7 +/-    0.33  0.070 / 0.100
G32     65.9           33.6                1.6 +/-    2.31       2.6 +/-    2.31  0.080 / 0.070