PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-05:42:30
G01     67.6           31.5                4.2 +/-    1.14       7.2 +/-    1.14  0.030 / 0.030
G07     137.4          30.3                6.2 +/-    0.82      10.8 +/-    0.82  0.030 / 0.030
G11     54.6           33.8                4.3 +/-    1.83       7.1 +/-    1.83  0.060 / 0.060
G13     271.9          38.7                5.9 +/-    1.37       8.8 +/-    1.37  0.070 / 0.060
G15     299.6          16.5                2.2 +/-    1.95       5.3 +/-    1.95  0.080 / 0.150
G17     232.7          70.2               -0.8 +/-    0.53      -0.8 +/-    0.53  0.090 / 0.120
G19     223.6          45.1                6.8 +/-    2.26       9.2 +/-    2.26  0.040 / 0.030
G28     3.5            61.3                4.1 +/-    0.63       4.6 +/-    0.63  0.040 / 0.030
G30     136.9          65.2                6.3 +/-    0.77       6.8 +/-    0.77  0.090 / 0.130