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(IVAR) - Final Report - Strategic Environmental Research and ...

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comm<strong>and</strong>s we issued to the radar; that these comm<strong>and</strong>s were executed by the radar; <strong>and</strong> the<br />

corresponding effect of these comm<strong>and</strong>s had on the radar data processing.<br />

Methods<br />

We used two <strong>IVAR</strong> study locations for this demonstration: SEA (remote) <strong>and</strong> ARTI (local). We<br />

selected the SEAAR2l rooftop radar at SEA because it is remote (>3300 km from ARTI) <strong>and</strong> has<br />

a convenient Internet connection. It also has sufficient network b<strong>and</strong>width to support the Virtual<br />

Network Computing (VNC) connection we planned to use for real-time remote control of the<br />

DRP from ARTI, as well as providing visual confirmation that comm<strong>and</strong>s sent to the remote<br />

radar were quickly received <strong>and</strong> executed.<br />

We chose ARTI as the location from which to control the operation of the remote radar because<br />

the necessary components were already installed <strong>and</strong> operational there, including the VNC<br />

software, the web-based RRC, <strong>and</strong> the necessary network connectivity. Our demonstration<br />

layout at ARTI is depicted in Figure 6-63. In the right window on a PC workstation, we ran an<br />

instance of the RRC that provided us with a view of the radar display <strong>and</strong> the corresponding<br />

radar controls, while in the left window we opened a VNC connection to the SEAAR2l DRP<br />

(i.e., the “DRP Live” application), which supplied us with the digitized radar feed <strong>and</strong> live target<br />

information from the remote SEAAR2l DRP. This configuration also provided us with the<br />

timestamps from the remote DRP <strong>and</strong> the local workstation. With this layout we were able to<br />

issue comm<strong>and</strong>s to the remote radar <strong>and</strong> view the corresponding effect on the digitized radar data.<br />

Figure 6-63. Test layout for demonstration of remote radar control.<br />

The RRC web interface provides a live display of the radar screen <strong>and</strong> selectable controls for<br />

issuing operational comm<strong>and</strong>s to the radar. A detailed view of the RRC web interface is<br />

provided in Figure 6-64.<br />

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