PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/28-05:12:40
G01     70.5           31.9                4.4 +/-    1.36       7.4 +/-    1.36  0.040 / 0.030
G07     135.9          32.8                7.9 +/-    1.03      13.0 +/-    1.03  0.040 / 0.030
G11     56.7           35.7                5.2 +/-    1.30       8.1 +/-    1.30  0.090 / 0.240
G13     275.2          39.0                6.1 +/-    0.90       9.0 +/-    0.90  0.080 / 0.240
G15     301.7          16.1                2.8 +/-    1.67       6.7 +/-    1.67  0.050 / 0.040
G17     228.3          68.1                7.0 +/-    0.87       7.5 +/-    0.87  0.040 / 0.050
G19     221.7          42.8                8.7 +/-    1.46      12.1 +/-    1.46  0.030 / 0.030
G28     358.2          61.5                4.6 +/-    0.66       5.1 +/-    0.66  0.040 / 0.030
G30     133.8          67.9                6.5 +/-    0.73       7.0 +/-    0.73  0.110 / 0.060