PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/22-14:46:00
G03     316.2          33.1                4.8 +/-    1.69       7.9 +/-    1.69  0.040 / 0.060
G10     129.4          17.7                9.0 +/-    2.03      21.0 +/-    2.03  0.040 / 0.060
G11     253.8          20.6                6.6 +/-    2.80      14.4 +/-    2.80  0.050 / 0.060
G14     39.6           52.4                7.2 +/-    2.33       8.8 +/-    2.33  0.050 / 0.060
G18     132.3          -10.3              14.3 +/-    1.07      39.6 +/-    1.07  0.080 / 0.150
G22     314.4          54.5                7.1 +/-    0.71       8.5 +/-    0.71  0.070 / 0.120
G25     53.7           17.4                7.2 +/-    3.70      16.8 +/-    3.70  0.080 / 0.090
G31     55.1           72.9                7.4 +/-    0.39       7.7 +/-    0.39  0.090 / 0.120
G32     64.4           31.8                5.6 +/-    1.46       9.5 +/-    1.46  0.100 / 0.110