PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-03:58:00
G01     82.5           31.7                5.6 +/-    0.57       9.4 +/-    0.57  0.030 / 0.030
G07     128.7          42.3                8.6 +/-    0.77      12.0 +/-    0.77  0.030 / 0.040
G11     67.0           41.9                5.5 +/-    0.58       7.7 +/-    0.58  0.080 / 0.120
G13     288.4          38.5                4.6 +/-    1.67       6.8 +/-    1.67  0.060 / 0.110
G15     309.9          13.5                2.9 +/-    0.88       7.4 +/-    0.88  0.060 / 0.080
G17     216.1          58.5                7.9 +/-    0.73       9.1 +/-    0.73  0.060 / 0.080
G19     215.3          33.3                7.7 +/-    1.85      12.6 +/-    1.85  0.030 / 0.060
G28     337.7          61.2                4.2 +/-    1.18       4.8 +/-    1.18  0.030 / 0.080
G30     111.6          77.4                6.8 +/-    0.64       6.9 +/-    0.64  0.050 / 0.070