References

References

1

Beasley, A. J., & Conway, J. E. 1995, ``VLBI Phase-Referencing,'' in ASP Conf. Series 82, Very Long Baseline Interferometry and the VLBA, ed. J. A. Zensus, P. J. Diamond, & P. J. Napier (San Francisco: ASP), 327-343

	Table 1. Phase-Referencing Cycle Times (min)
	Typical Weather, m
	Wavelength (cm)
Elevation	21	18	13	6	3.6	2	1.3	0.7
	9.7	8.1	5.5	2.2	1.2	0.6	0.3	0.2
	10.0	10.0	10.0	3.3	1.8	0.9	0.5	0.3
	10.0	10.0	10.0	4.7	2.3	1.1	0.7	0.3
	10.0	10.0	10.0	10.0	2.7	1.3	0.8	0.4
	10.0	10.0	10.0	10.0	4.4	1.5	0.9	0.4
	10.0	10.0	10.0	10.0	7.3	1.7	1.0	0.5
	10.0	10.0	10.0	10.0	10.0	2.7	1.1	0.5
	10.0	10.0	10.0	10.0	10.0	4.5	1.3	0.6
	10.0	10.0	10.0	10.0	10.0	6.5	1.8	0.7
	10.0	10.0	10.0	10.0	10.0	8.3	2.3	0.7
	10.0	10.0	10.0	10.0	10.0	9.6	2.6	0.7

	Table 2. Phase-Referencing Cycle Times (min)
	Bad Weather, m
	Wavelength (cm)
Elevation	21	18	13	6	3.6	2	1.3	0.7
	4.2	3.5	2.4	0.9	0.5	0.3	0.2	0.1
	7.6	5.3	3.6	1.4	0.8	0.4	0.2	0.1
	10.0	10.0	6.0	1.8	1.0	0.5	0.3	0.1
	10.0	10.0	10.0	2.1	1.2	0.6	0.3	0.2
	10.0	10.0	10.0	2.6	1.3	0.7	0.4	0.2
	10.0	10.0	10.0	4.2	1.5	0.8	0.4	0.2
	10.0	10.0	10.0	9.0	1.9	0.8	0.5	0.2
	10.0	10.0	10.0	10.0	3.3	0.9	0.6	0.3
	10.0	10.0	10.0	10.0	4.7	1.0	0.6	0.3
	10.0	10.0	10.0	10.0	6.1	1.1	0.6	0.3
	10.0	10.0	10.0	10.0	7.0	1.2	0.6	0.3

	Table 3. Phase-Referencing Cycle Times (min)
	Good Weather, m
	Wavelength (cm)
Elevation	21	18	13	6	3.6	2	1.3	0.7
	10.0	10.0	10.0	5.0	2.7	1.3	0.8	0.4
	10.0	10.0	10.0	10.0	4.1	2.0	0.8	0.6
	10.0	10.0	10.0	10.0	8.1	2.6	1.5	0.7
	10.0	10.0	10.0	10.0	10.0	3.2	1.8	0.9
	10.0	10.0	10.0	10.0	10.0	6.0	2.0	1.0
	10.0	10.0	10.0	10.0	10.0	10.0	2.8	1.1
	10.0	10.0	10.0	10.0	10.0	10.0	5.8	1.3
	10.0	10.0	10.0	10.0	10.0	10.0	9.9	1.5
	10.0	10.0	10.0	10.0	10.0	10.0	10.0	2.2
	10.0	10.0	10.0	10.0	10.0	10.0	10.0	2.9
	10.0	10.0	10.0	10.0	10.0	10.0	10.0	3.3

Figure 1: Maximum phase-referencing switching times for typical weather. Plots are given for eight different wavelengths ranging from 0.7 cm (7 mm) to 21 cm.

Figure 2: Maximum phase-referencing switching times for bad weather. Plots are given for eight different wavelengths ranging from 0.7 cm (7 mm) to 21 cm.

Figure 3: Maximum phase-referencing switching times for good weather. Plots are given for eight different wavelengths ranging from 0.7 cm (7 mm) to 21 cm.

Figure 4: Maximum phase-referencing switching times for good, typical, and bad weather, for wavelengths ranging from 6 cm to 21 cm.

Figure 5: Maximum phase-referencing switching times for good, typical, and bad weather, for wavelengths ranging from 7 mm (0.7 cm) to 3.6 cm.