PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/29-07:27:50
G01     64.3           31.0                4.7 +/-    0.69       8.1 +/-    0.69  0.040 / 0.030
G06     180.4          10.3              -17.7 +/-   19.78     -48.9 +/-   19.78  0.040 / 0.030
G07     139.1          26.9                6.0 +/-    1.12      11.1 +/-    1.12  0.160 / 0.310
G11     52.0           30.9                4.6 +/-    1.04       8.0 +/-    1.04  0.150 / 0.280
G13     267.9          38.0                5.3 +/-    2.24       7.9 +/-    2.24  0.030 / 0.030
G15     297.6          16.4                3.9 +/-    2.33       9.4 +/-    2.33  0.030 / 0.030
G17     239.0          72.1                6.0 +/-    0.45       6.3 +/-    0.45  0.040 / 0.050
G19     226.3          47.9                5.8 +/-    2.20       7.5 +/-    2.20  0.040 / 0.050
G28     10.6           61.0                4.0 +/-    1.48       4.5 +/-    1.48  0.060 / 0.120
G30     140.1          61.3                6.5 +/-    0.59       7.3 +/-    0.59  0.060 / 0.120