Another relevant requirement of a good warning system is easiness of access; otherwise, all benefits conveyed by such "highly precise, valid and trustful information system" are unreachable.
These frequency bands and spatial directions with max EMI should be avoided in the valid information when the HAPS system is being designed.
First, real-time, valid information flow across the system is essential to effective scale-up.
27 This web-based mapping/geographic information system provides valid estimates of road distances at low cost, it has fewer usability problems than other similar systems, 28 and it has been used previously in healthcare.
Patients without valid data in both the anesthesia information system and the STS database were excluded from this analysis.
One participant recounted her frustrations with poor quality data related to mental health planning, and resolved to reform the national information system to produce valid metrics as a critical foundation for policy and advocacy efforts within the country.
However, this assumption is not always valid because there exists positional inaccuracy associated with geocoding using a geographic information system (Bonner et al. 2003; Boscoe et al. 2002; Cayo and Talbot 2003; McElroy et al. 2003).
This system enabled us to quickly document investigator qualifications from reliable and valid information sources.
The underlying aim of HASTE, an EU FP5 project, is the development of a valid, cost-effective and reliable assessment protocol to evaluate the potential distraction of an in-vehicle information system on driving performance.
