PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-11:57:40
G02     219.5          63.0                6.8 +/-    1.33       7.5 +/-    1.33  0.050 / 0.050
G06     50.4           70.3                5.0 +/-    0.32       5.2 +/-    0.32  0.060 / 0.070
G12     319.6          40.7                3.1 +/-    0.66       4.5 +/-    0.66  0.060 / 0.150
G17     58.9           31.1                3.1 +/-    1.26       5.3 +/-    1.26  0.120 / 0.130
G19     44.6           45.3                3.4 +/-    1.36       4.5 +/-    1.36  0.060 / 0.070
G24     262.7          40.1                6.5 +/-    4.20       9.5 +/-    4.20  0.040 / 0.080
G28     122.7          18.0                5.9 +/-    1.57      13.5 +/-    1.57  0.090 / 0.250