Design
The preliminary design is for 32* stations configured in a quasi-regular array with 15 m E-W and 45 m N-S spacing on the ground each station would consist of a uniform array of 5 × 5 cross-dipoles as illustrated in figure 1.
The array is currenly planned to be located on MIT property in Westford close to the Haystack Observatory. Interference studies are underway to see if this site is acceptable.
Summary of array Characteristics
| Configuration | quasi-regular array of stations |
| »15 m E-W spacing on ground | |
| » 45m N-S spacing on ground | |
| Each station | 5 × 5 compact array of crossed dipoles |
| collecting area 12 m2 | |
| beamwidth 12 degrees | |
| electronic steering ± 20 degrees | |
| mechanical reconfiguration of station elevation | |
| number of available primary beams 25 | |
| synthesis resolution | 30 minute of arc |
| frequency coverage | 322.0-328.6 MHz |
| polarization | dual linear - full stokes |
| system temperature | limited by sky background 70-400 K |
| total collecting area | 288 m2 |
| total number receiver ports | 1152 |
| number of stations | 24 |
Digital receiver block diagram
781.981.5407 
