PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/16-06:57:50
G01     108.2          23.4                5.9 +/-    1.44      11.9 +/-    1.44  0.030 / 0.020
G07     102.1          59.6                6.9 +/-    0.56       7.8 +/-    0.56  0.030 / 0.020
G08     42.4           24.1                3.5 +/-    1.26       7.0 +/-    1.26  0.210 / 0.510
G09     174.0          15.3                5.3 +/-    2.29      13.0 +/-    2.29  0.190 / 0.420
G11     96.1           44.3                6.4 +/-    0.58       8.7 +/-    0.58  0.090 / 0.190
G13     311.4          27.9                3.4 +/-    0.92       6.1 +/-    0.92  0.070 / 0.160
G17     203.9          33.4                6.4 +/-    1.64      10.4 +/-    1.64  0.040 / 0.040
G19     207.1          12.1                0.9 +/-    7.66       2.3 +/-    7.66  0.040 / 0.030
G28     297.7          56.3                4.1 +/-    1.48       4.8 +/-    1.48  0.060 / 0.070
G30     359.6          75.1                5.6 +/-    0.46       5.8 +/-    0.46  0.070 / 0.070