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Metsähovi's main receivers

Metsähovi's receiver

Better sensitivity can be achieved by using modern technology components such as HEMT based low noise amplifiers, cryogenic cooling, and computer aided simulation and design. At the same time the receiver needs to be very stable to enable sufficiently long integration times of the weak signal. In VLBI receivers an important feature is the phase stability because this technique relies on the phase coherence of several signal acquisitions.

Currently Metsähovi Radio Observatory operates the following receivers. Detailed information can be obtained from Metsähovi.

 Receiver

 Signal freq. [GHz]

 IF freq. [GHz]

 Polarization

 Trec [K]

22 GHz Continuum

21.0-22.0/22.4-23.4

 0.2-1.2

 Linear

 270

22 GHz VLBI

21.980-22.480

 0.5-1.0

 LCP/RCP

 60

37 GHz Continuum/Solar

35.3-36.3/37.3-38.3

 0.5-1.5

 Linear

 280

Geo-VLBI

 8.15-8.65

 2.21-2.35

 0.5-0.98

 0.68-0.82

 RCP

 100

43 GHz VLBI

 40-45

 8.5-11.5/0.5-1.0

 LCP/RCP

 100

80-115 GHz   Spectral Line

 80-115

 1.0-1.6

 Linear

 150

150 GHz VLBI

 129-175

 3.7-4.2/0.5-1.0

 LCP/RCP

 TBD

84-98 GHz VLBI

 84-98

 TBD

 LCP/RCP

 TBD

MCA

 4-8

TBD

 ?

 ?

This service is provided by:

Metsähovi Radio Observatory

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