PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-00:42:30
G07     322.6          54.3                4.5 +/-    2.21       5.4 +/-    2.21  0.090 / 0.150
G08     108.3          48.9                8.1 +/-    0.36      10.4 +/-    0.36  0.090 / 0.140
G09     183.2          77.2                6.0 +/-    0.69       6.1 +/-    0.69  0.040 / 0.080
G16     45.0           11.0                3.3 +/-    1.90       8.9 +/-    1.90  0.040 / 0.070
G23     153.1          50.2              -13.3 +/-    1.37     -16.7 +/-    1.37  0.190 / 0.630
G27     62.7           34.5                4.5 +/-    0.56       7.1 +/-    0.56  0.180 / 0.520
G28     230.3          15.3                5.2 +/-   14.68      12.8 +/-   14.68  0.050 / 0.060
G30     294.3          27.1                4.9 +/-    3.03       9.1 +/-    3.03  0.050 / 0.070