PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-03:27:40
G01     92.1           29.8                6.3 +/-    0.64      11.2 +/-    0.64  0.030 / 0.030
G07     120.9          49.5                7.0 +/-    0.45       8.9 +/-    0.45  0.030 / 0.030
G11     77.6           44.8                6.1 +/-    0.56       8.2 +/-    0.56  0.080 / 0.120
G13     298.1          36.0                5.8 +/-    2.42       9.0 +/-    2.42  0.090 / 0.130
G17     209.9          50.2                6.7 +/-    1.12       8.5 +/-    1.12  0.040 / 0.080
G19     211.5          25.6                5.2 +/-    2.54      10.0 +/-    2.54  0.040 / 0.080
G28     321.8          59.9                6.5 +/-    1.66       7.4 +/-    1.66  0.030 / 0.060
G30     65.8           81.7                5.4 +/-    0.95       5.4 +/-    0.95  0.030 / 0.060