In order to reveal the spatial structure of the ionospheric irregularities over the North Pole, we process ROTI data from the considered multi-site database and visualize the results in the form of a ROTI map.
Data from the VBCSO database were combined with data from three CRN health plans (Group Health Cooperative, Kaiser Permanente Colorado, and Marshfield Clinic) to form a single, large, multi-site database called BRCASO, which resides at the Van Andel Research Institute (VARI).
Further, to analyze the high-latitude ionospheric irregularities occurrence and temporal development, we construct, from the multi-site GNSS database, the ROTI maps in the geographic coordinate frame.
To obtain the characteristics of the ionospheric irregularities dynamics, we processed the multi-site GPS database and calculated two GPS-based indices.
Further, we used the results obtained from the multi-site GPS database processing to calculate daily polar maps based on ground-based GPS ROTI values.
Linking the core chronic NCDs risk factors data to a multi-site surveillance database allows researchers to test hypothesis on the association between risk factors and different demographic and health indicators.
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The BRCASO database has the potential to be one of the largest, multi-site breast cancer surgical quality research databases to-date.
The CANDOO registry is a multi-site (Calgary, Winnipeg, Saskatoon, Toronto, Hamilton, Montreal, Quebec City) database consisting of more than 10,000 men and women who have been referred to specialists for osteoporosis [ 13].
