Node md2 is a ​Medium Node located on the second floor of the Mudd Building at Columbia University, overlooking Amsterdam Avenue. The ​omni-directional antenna has line-of-sight to the majority of Amsterdam Ave. between 116th St. and 122nd St., as well as to parts of 120th St. and 119th St. headed east.

Contributors: Angel Daniel Estigarribia, Watson Mushimbei, Irfan Tamim

Data: ​Available here (CSV)

Coverage

​Coverage measurements are currently being performed in the area around md2. In total, around 100 measurements have been taken on sidewalks in the area spaced by roughly 5m-spaced. The measurement results are presented below.

Figure 1: Coverage measurement results for md2.

These measurements demonstrate an RSSI of around -72 dBm at a 200m distance down the street. As would be expected, the locations close to the node experience the highest RSSI.

Up to -82 dBm coverage is achieved up to 70m up a street which is around a corner.