PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-17:12:40
G01     38.9           13.1                5.7 +/-    3.74      14.9 +/-    3.74  0.040 / 0.060
G06     173.8          42.3                9.7 +/-    1.00      13.6 +/-    1.00  0.040 / 0.070
G13     233.6          20.2                9.9 +/-    2.13      21.7 +/-    2.13  0.140 / 0.280
G15     267.3          11.0                7.3 +/-    1.01      20.0 +/-    1.01  0.220 / 0.200
G17     3.6            69.2                8.4 +/-    0.44       9.0 +/-    0.44  0.030 / 0.030
G19     290.1          71.3                7.8 +/-    0.95       8.2 +/-    0.95  0.030 / 0.030
G24     315.1          21.8                6.9 +/-    2.94      14.5 +/-    2.94  0.200 / 0.480
G28     70.5           49.4                9.0 +/-    0.75      11.4 +/-    0.75  0.110 / 0.410
G30     154.7          22.0                9.6 +/-    1.09      20.1 +/-    1.09  0.060 / 0.050