PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-05:12:50
G01     84.3           31.5                5.5 +/-    0.92       9.4 +/-    0.92  0.050 / 0.130
G07     127.6          43.0                7.7 +/-    1.04      10.7 +/-    1.04  0.060 / 0.110
G11     67.9           41.9                5.3 +/-    0.61       7.5 +/-    0.61  0.080 / 0.270
G13     290.0          38.2                3.0 +/-    1.37       4.5 +/-    1.37  0.090 / 0.230
G15     311.5          12.6                2.2 +/-    2.38       5.8 +/-    2.38  0.030 / 0.030
G17     215.1          56.7               -1.3 +/-    1.06      -1.5 +/-    1.06  0.030 / 0.040
G19     214.7          32.0                5.7 +/-    1.23       9.6 +/-    1.23  0.040 / 0.050
G28     336.0          61.1                2.2 +/-    0.80       2.5 +/-    0.80  0.050 / 0.070
G30     107.6          77.9                6.1 +/-    1.03       6.2 +/-    1.03  0.050 / 0.080