Protected Bands Relevant to GMRT

Since GMRT (see section 2.2) mainly operates at low radio frequencies, it is difficult to get a RFI (radio frequency interference) free band for the astronomical observations. However, the frequency bands shown in table 1.1 are protected for radio astronomy observations by the International Telecommunications Union regulations and are hence used also for GMRT bands.

Table 1.1: International Telecommunications Union specified protected frequency bands.

Freq band		Regulator
		Agency
150.05-153	MHz	ITU
230-235	MHz	Indian
322-328.6	MHz	ITU
608-614	MHz	ITU
1400-1427	MHz	ITU