PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/02-07:42:50
G01     113.6          20.2                5.6 +/-    1.17      12.3 +/-    1.17  0.040 / 0.030
G07     92.1           63.0                5.5 +/-    0.44       6.1 +/-    0.44  0.040 / 0.040
G08     43.9           29.6                2.7 +/-    0.60       4.7 +/-    0.60  0.030 / 0.040
G09     175.3          21.0                5.1 +/-    1.36      11.0 +/-    1.36  0.020 / 0.050
G11     103.5          42.8                6.4 +/-    0.68       8.9 +/-    0.68  0.090 / 0.240
G13     315.0          23.9                1.4 +/-    2.80       2.9 +/-    2.80  0.080 / 0.230
G17     202.4          27.1                4.9 +/-    1.15       9.2 +/-    1.15  0.070 / 0.260
G18     89.1           22.3                4.2 +/-    1.06       8.8 +/-    1.06  0.080 / 0.290
G28     288.8          54.2                5.1 +/-    0.68       6.1 +/-    0.68  0.090 / 0.160
G30     348.5          70.8                3.6 +/-    0.92       3.8 +/-    0.92  0.090 / 0.160