PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-02:12:40
G01     124.6          11.4               -4.0 +/-   35.82     -10.9 +/-   35.82  0.040 / 0.040
G07     51.6           69.8                5.6 +/-    0.46       5.9 +/-    0.46  0.030 / 0.050
G08     49.9           38.3                3.7 +/-    0.67       5.5 +/-    0.67  0.100 / 0.330
G09     174.2          32.0                6.7 +/-    1.95      11.3 +/-    1.95  0.100 / 0.310
G11     123.4          36.1                7.3 +/-    0.99      11.4 +/-    0.99  0.060 / 0.120
G13     320.6          13.0                1.9 +/-    1.12       5.0 +/-    1.12  0.070 / 0.130
G17     198.9          15.3                5.4 +/-    1.72      13.4 +/-    1.72  0.030 / 0.030
G28     267.1          45.5                5.1 +/-    1.89       6.9 +/-    1.89  0.030 / 0.040
G30     327.2          57.2                3.5 +/-    0.95       4.1 +/-    0.95  0.090 / 0.110