PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/26-04:57:50
G01     83.5           31.6                6.1 +/-    0.55      10.4 +/-    0.55  0.030 / 0.040
G07     128.2          42.5                8.7 +/-    1.11      12.2 +/-    1.11  0.040 / 0.040
G11     67.3           41.7                6.3 +/-    0.54       8.9 +/-    0.54  0.080 / 0.180
G13     289.2          38.3                5.4 +/-    1.21       8.0 +/-    1.21  0.090 / 0.180
G15     310.8          12.9                3.5 +/-    1.88       9.0 +/-    1.88  0.060 / 0.130
G17     215.6          57.4                8.7 +/-    0.91      10.2 +/-    0.91  0.070 / 0.130
G19     215.0          32.6                8.1 +/-    1.06      13.4 +/-    1.06  0.050 / 0.060
G28     337.1          61.1                5.5 +/-    0.96       6.2 +/-    0.96  0.050 / 0.060
G30     109.8          77.6                8.5 +/-    0.76       8.7 +/-    0.76  0.060 / 0.070