PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/30-03:58:00
G01     303.8          36.5                6.8 +/-    2.00      10.5 +/-    2.00  0.070 / 0.130
G10     109.1          36.2                6.8 +/-    0.99      10.5 +/-    0.99  0.060 / 0.120
G11     278.9          27.2                9.5 +/-    2.31      17.6 +/-    2.31  0.070 / 0.110
G14     0.7            66.1                5.0 +/-    0.49       5.4 +/-    0.49  0.080 / 0.090
G18     271.1          50.5                5.8 +/-    7.69       7.2 +/-    7.69  0.040 / 0.040
G20     122.4          12.1                5.6 +/-    1.75      14.8 +/-    1.75  0.030 / 0.050
G22     311.0          27.7                6.6 +/-    3.02      12.2 +/-    3.02  0.050 / 0.060
G25     80.5           17.0                5.3 +/-    1.74      12.5 +/-    1.74  0.050 / 0.050
G31     159.0          68.9                7.0 +/-    0.36       7.4 +/-    0.36  0.040 / 0.040
G32     38.0           51.3                4.4 +/-    1.06       5.5 +/-    1.06  0.030 / 0.040