PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-02:43:10
G01     117.7          16.7                8.6 +/-    1.57      20.4 +/-    1.57  0.030 / 0.040
G07     76.2           67.4                4.9 +/-    0.95       5.2 +/-    0.95  0.040 / 0.040
G08     45.2           31.5                2.7 +/-    0.45       4.6 +/-    0.45  0.120 / 0.290
G09     173.7          23.6                7.5 +/-    1.67      15.2 +/-    1.67  0.100 / 0.380
G11     113.8          40.9                7.7 +/-    0.83      11.0 +/-    0.83  0.060 / 0.070
G13     317.7          19.8                3.8 +/-    1.30       8.4 +/-    1.30  0.060 / 0.110
G17     200.2          23.6                6.3 +/-    1.43      12.8 +/-    1.43  0.030 / 0.040
G28     278.6          50.4                4.0 +/-    0.99       5.0 +/-    0.99  0.030 / 0.040
G30     336.2          64.4                3.2 +/-    0.56       3.5 +/-    0.56  0.050 / 0.080