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Table 1.

Parameters of the antennas and their receivers (frontend and software configuration).

Parameter A1 A2
Antenna diameter 30 m
FWHM at 1420 MHz 30′
Mounting Equatorial
Maximum tracking time 220 min

Low noise amplifiers (a) HEMT He E-PHEMT
Filters range (MHz) 1100−1510 1200−1600
Electronics bandwidth 110 MHz 200 MHz
Polarization One circular Two circular
Receiver temperature 100 K 110 K
Aperture efficiency (b) 32.8% 30%
Gain (b) (Jy K−1) 11.9 13.02
Calibration Noise injection at feed

Instantaneous bandwidth 112 MHz 56 MHz
Polarization product One (circular) Total power
SDR models B210 – B205-mini-i
Boards per CPU Two
Max data rate per 54 KHz
Reference input PPS
Computer CPU i7, NVMe 1.2
PCIe Gen 3 × 2 SDD
Software language C



At room temperature.


Values from Testori et al. (2001).

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