PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-04:12:40
G01     83.3           31.6               21.1 +/-    0.97      35.7 +/-    0.97  0.030 / 0.020
G07     128.1          42.8                7.8 +/-    0.64      10.9 +/-    0.64  0.040 / 0.020
G11     67.6           42.0                5.7 +/-    0.90       8.1 +/-    0.90  0.200 / 0.250
G13     289.2          38.4                4.9 +/-    4.36       7.3 +/-    4.36  0.070 / 0.220
G15     310.5          13.2                2.6 +/-    3.63       6.8 +/-    3.63  0.050 / 0.050
G17     215.5          57.8               10.1 +/-    0.91      11.7 +/-    0.91  0.040 / 0.050
G19     215.0          32.7                7.2 +/-    1.50      11.9 +/-    1.50  0.040 / 0.050
G28     336.6          61.1                5.8 +/-    0.57       6.5 +/-    0.57  0.050 / 0.060
G30     109.4          77.8                7.7 +/-    0.66       7.9 +/-    0.66  0.050 / 0.080