PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/02-05:43:10
G01     79.3           33.2                4.9 +/-    1.31       8.0 +/-    1.31  0.100 / 0.100
G07     132.8          35.5                6.8 +/-    0.93      10.7 +/-    0.93  0.070 / 0.130
G11     57.8           34.1                3.1 +/-    0.67       4.9 +/-    0.67  0.040 / 0.040
G13     283.1          38.2                5.3 +/-    1.17       8.0 +/-    1.17  0.040 / 0.040
G15     310.1          12.3                2.8 +/-    2.06       7.4 +/-    2.06  0.040 / 0.080
G17     222.5          65.4                8.0 +/-    0.45       8.7 +/-    0.45  0.040 / 0.070
G19     219.1          33.0                9.0 +/-    2.18      14.9 +/-    2.18  0.040 / 0.050
G28     2.4            61.1                4.4 +/-    0.85       4.9 +/-    0.85  0.040 / 0.060
G30     125.5          70.3                6.9 +/-    0.74       7.2 +/-    0.74  0.030 / 0.040