PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-15:58:10
G01     70.2           32.4                9.5 +/-    1.59      15.8 +/-    1.59  0.040 / 0.050
G07     136.8          26.8                9.6 +/-    1.13      18.1 +/-    1.13  0.050 / 0.050
G11     53.3           31.1                7.8 +/-    1.22      13.4 +/-    1.22  0.070 / 0.150
G13     273.7          38.5                9.4 +/-    1.71      14.1 +/-    1.71  0.060 / 0.150
G15     302.3          15.4                7.7 +/-    1.30      19.0 +/-    1.30  0.070 / 0.110
G17     230.6          66.9               11.9 +/-    0.75      12.8 +/-    0.75  0.060 / 0.100
G18     48.1           17.7                8.3 +/-    1.14      19.5 +/-    1.14  0.060 / 0.070
G19     223.1          42.9               10.6 +/-    1.60      14.8 +/-    1.60  0.050 / 0.090
G28     7.7            61.0               10.0 +/-    1.05      11.3 +/-    1.05  0.040 / 0.040
G30     135.4          59.5               10.2 +/-    0.58      11.6 +/-    0.58  0.030 / 0.040