Precise Point Positioning for TAI Computation

Table 1

Comparison of several time transfer techniques for the link USNO-PTB over 4 months. Values of the RMS of the comparison results in nanoseconds.

YYMM/points	TW-X−TW-Ku	TW-X−PPP	TW-X−PPP+TW-Ku
0510/661	0.598	0.422	0.439
0511/678	0.872	0.503	0.449
0512/666	0.704	0.343	0.306
0601/478	0.834	0.812	0.791
4 months/2369	0.902	0.693	0.688