PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/11-09:27:50
G01     45.0           21.0                4.1 +/-    3.48       8.8 +/-    3.48  0.060 / 0.060
G06     175.3          30.4                7.8 +/-    2.44      13.5 +/-    2.44  0.070 / 0.070
G11     44.1           13.2                2.5 +/-    2.51       6.5 +/-    2.51  0.040 / 0.040
G13     244.0          28.3                6.5 +/-    1.83      11.7 +/-    1.83  0.040 / 0.040
G15     278.2          14.7                2.5 +/-    2.62       6.2 +/-    2.62  0.050 / 0.060
G17     331.8          77.1                7.0 +/-    0.54       7.2 +/-    0.54  0.040 / 0.050
G19     256.7          65.9                6.9 +/-    0.83       7.5 +/-    0.83  0.110 / 0.200
G24     318.7          10.6              -15.0 +/-   19.44     -41.4 +/-   19.44  0.100 / 0.220
G28     49.4           55.8                5.7 +/-    0.36       6.7 +/-    0.36  0.080 / 0.150
G30     152.6          38.8                8.8 +/-    0.36      13.1 +/-    0.36  0.090 / 0.140