PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/10-00:27:50
G01     64.6           31.9                7.4 +/-    1.77      12.4 +/-    1.77  0.030 / 0.040
G06     182.0          10.5              -14.2 +/-   34.26     -39.1 +/-   34.26  0.040 / 0.040
G07     140.4          26.4               11.1 +/-    1.70      21.0 +/-    1.70  0.160 / 0.300
G11     51.9           29.3                7.5 +/-    1.08      13.4 +/-    1.08  0.050 / 0.060
G13     268.4          36.3               10.3 +/-    1.69      16.0 +/-    1.69  0.050 / 0.080
G15     297.1          16.5                9.0 +/-    1.37      21.5 +/-    1.37  0.030 / 0.030
G17     243.1          70.9                9.1 +/-    0.57       9.6 +/-    0.57  0.030 / 0.030
G19     228.8          47.0                9.7 +/-    2.10      12.7 +/-    2.10  0.150 / 0.140
G28     29.9           57.6                8.2 +/-    0.80       9.5 +/-    0.80  0.090 / 0.170
G30     140.0          52.9                9.5 +/-    0.55      11.6 +/-    0.55  0.070 / 0.090