PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-23:42:50
G08     270.2          18.0                7.6 +/-    2.03      17.5 +/-    2.03  0.200 / 0.390
G10     63.9           56.7                8.6 +/-    0.69      10.1 +/-    0.69  0.180 / 0.420
G14     263.6          64.6                7.9 +/-    0.69       8.7 +/-    0.69  0.040 / 0.060
G18     312.4          32.7                6.6 +/-    0.95      11.0 +/-    0.95  0.060 / 0.060
G20     96.4           35.5                9.0 +/-    0.75      14.2 +/-    0.75  0.100 / 0.140
G21     155.4          16.0                9.7 +/-    2.20      23.6 +/-    2.20  0.090 / 0.120
G24     40.2           10.5                6.3 +/-    2.60      17.3 +/-    2.60  0.030 / 0.030
G27     231.6          16.1                9.1 +/-    3.25      22.1 +/-    3.25  0.040 / 0.020
G31     177.0          31.7               11.3 +/-    1.42      19.0 +/-    1.42  0.260 / 0.230
G32     341.1          74.2                7.4 +/-    0.48       7.6 +/-    0.48  0.160 / 0.260