The Sardinia Radio Telescope - From a technological project to a radio observatory

Free Access

Table 2

Reference values for relevant parameters of the SRT first-light receivers.

Receiver	RF band	B W_max	T_Rx	T_sys ^†	G	HPBW ^‡	Focal position & focal ratio (f/D)
	(GHz)	(MHz)	(K)	(K)	(K/Jy)	(arcmin)

L/P-band	0.305–0.41 (P)	105	20	52	0.53	55	Primary: f/D = 0.33
	1.3–1.8 (L)	500	11	20	0.52	12.5

C-band	5.7–7.7	2000	7.7	29	0.60	2.8	BWG: f/D = 1.37

K-band	18–26.5	2000	22	75–80	0.65	0.82	Gregorian: f/D = 2.35

^(†)

System temperature measured at 45° elevation.

^(‡)

Indicative value at the central frequency of the RF band.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.