PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/01-05:58:00
G01     45.0           21.0                2.2 +/-    0.64       4.8 +/-    0.64  0.040 / 0.050
G06     175.7          29.4                7.0 +/-    1.02      12.3 +/-    1.02  0.040 / 0.070
G11     44.5           15.2                3.1 +/-    2.05       7.7 +/-    2.05  0.080 / 0.250
G13     244.3          28.7                7.7 +/-    2.71      13.9 +/-    2.71  0.070 / 0.230
G15     276.6          15.2                5.8 +/-    1.23      14.4 +/-    1.23  0.110 / 0.600
G17     337.9          77.1                5.9 +/-    0.72       6.0 +/-    0.72  0.140 / 0.360
G19     255.5          65.8                6.1 +/-    1.14       6.6 +/-    1.14  0.040 / 0.060
G24     318.8          10.3              -18.2 +/-   11.06     -50.4 +/-   11.06  0.040 / 0.050
G28     46.9           56.6                4.9 +/-    0.63       5.7 +/-    0.63  0.030 / 0.050
G30     152.9          40.8                9.1 +/-    1.44      13.0 +/-    1.44  0.030 / 0.040