PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-03:42:40
G01     99.2           27.4               22.6 +/-    2.03      41.8 +/-    2.03  0.030 / 0.020
G07     113.5          54.6                8.0 +/-    0.41       9.6 +/-    0.41  0.030 / 0.020
G08     41.5           15.1               12.8 +/-    1.96      31.8 +/-    1.96  0.200 / 0.340
G11     86.4           45.6                6.5 +/-    0.88       8.7 +/-    0.88  0.130 / 0.200
G13     304.5          33.0                5.3 +/-    2.32       8.7 +/-    2.32  0.040 / 0.060
G17     206.6          43.5                9.2 +/-    0.64      12.7 +/-    0.64  0.050 / 0.060
G19     209.2          19.7                8.4 +/-    3.00      18.5 +/-    3.00  0.060 / 0.050
G28     310.4          58.4                6.9 +/-    1.10       7.9 +/-    1.10  0.070 / 0.060
G30     24.0           80.1                7.5 +/-    1.39       7.6 +/-    1.39  0.050 / 0.080