PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/01-05:27:50
G08     303.5          21.1                3.8 +/-    2.30       8.2 +/-    2.30  0.090 / 0.090
G10     350.7          62.1                0.9 +/-    0.66       1.0 +/-    0.66  0.090 / 0.100
G14     222.3          38.4                5.6 +/-    0.60       8.4 +/-    0.60  0.040 / 0.070
G20     51.5           56.9                3.0 +/-    0.44       3.5 +/-    0.44  0.050 / 0.080
G21     141.1          49.2                5.8 +/-    1.13       7.4 +/-    1.13  0.030 / 0.030
G24     64.9           28.5                3.1 +/-    0.90       5.6 +/-    0.90  0.040 / 0.030
G27     266.2          35.7               15.6 +/-    1.26      24.5 +/-    1.26  0.050 / 0.140
G32     230.3          56.6                6.4 +/-    0.95       7.5 +/-    0.95  0.070 / 0.120