FEEDS OF GMRT ANTENNAE


As told earlier,telescope operates at frequecies 150 MHz,233 MHz,327 MHz, 610 MHz,a420 MHz. The four feeds are mounted on four faces of the rotating turret at 90 deg apart.
0 deg      ==>  233/610 MHz
90 deg    ==>  150 MHz
180 deg   ==>  1420 MHz
270 deg   ==>  325 MHz

prime focus feeds

fig.2

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