PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/09-16:12:50
G01     252.2          35.7               13.9 +/-    1.99      21.8 +/-    1.99  0.040 / 0.030
G03     315.9          47.4               11.0 +/-    1.00      14.4 +/-    1.00  0.030 / 0.030
G11     240.8          13.2               11.9 +/-    2.11      30.9 +/-    2.11  0.030 / 0.030
G14     57.8           43.0                8.9 +/-    0.86      12.3 +/-    0.86  0.030 / 0.040
G22     304.1          68.0               10.0 +/-    0.42      10.7 +/-    0.42  0.200 / 0.230
G23     287.0          20.8               11.9 +/-    2.20      25.7 +/-    2.20  0.090 / 0.300
G25     40.9           11.1                9.2 +/-    2.93      25.0 +/-    2.93  0.050 / 0.080
G26     135.8          37.7               12.1 +/-    1.77      18.2 +/-    1.77  0.040 / 0.080
G31     41.2           58.0                9.3 +/-    0.49      10.8 +/-    0.49  0.040 / 0.050
G32     77.2           22.5                7.4 +/-    1.38      15.3 +/-    1.38  0.040 / 0.050