PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/13-15:42:50
G01     259.6          38.5               11.4 +/-    3.67      17.0 +/-    3.67  0.050 / 0.040
G03     316.8          41.8               11.5 +/-    0.97      16.2 +/-    0.97  0.040 / 0.070
G10     134.3          10.3               12.8 +/-    1.93      35.4 +/-    1.93  0.050 / 0.060
G11     245.8          16.3               11.1 +/-    1.27      26.6 +/-    1.27  0.070 / 0.070
G14     50.8           46.8                9.5 +/-    0.84      12.4 +/-    0.84  0.030 / 0.040
G22     310.4          62.6               11.6 +/-    0.82      12.8 +/-    0.82  0.070 / 0.040
G25     45.6           14.1                5.8 +/-    2.19      14.7 +/-    2.19  0.080 / 0.180
G26     140.8          32.7               15.6 +/-    1.80      25.9 +/-    1.80  0.210 / 0.210
G31     43.9           64.2                9.8 +/-    0.43      10.7 +/-    0.43  0.250 / 0.300
G32     72.1           26.2                9.4 +/-    1.66      17.9 +/-    1.66  0.290 / 0.350