PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-16:42:40
G03     218.9          64.4               11.3 +/-    0.82      12.4 +/-    0.82  0.080 / 0.360
G07     252.1          14.3               10.7 +/-    0.68      26.9 +/-    0.68  0.090 / 0.300
G09     305.7          21.1                7.4 +/-    1.76      15.9 +/-    1.76  0.040 / 0.040
G14     103.5          10.5               11.5 +/-    3.09      31.6 +/-    3.09  0.040 / 0.030
G16     129.4          60.9               10.9 +/-    0.52      12.3 +/-    0.52  0.130 / 0.240
G22     189.0          47.9               11.2 +/-    0.59      14.6 +/-    0.59  0.110 / 0.180
G23     322.1          52.0                9.6 +/-    0.65      11.8 +/-    0.65  0.170 / 0.360
G26     67.1           52.5                8.7 +/-    0.97      10.7 +/-    0.97  0.280 / 0.380
G31     54.2           17.9                7.8 +/-    1.42      18.1 +/-    1.42  0.030 / 0.040