Radio astronomy service

Antenna 100 m of the Radio telescope Effelsberg, Germany
Antenna 70 m of the Goldstone Deep Space Communications Complex, California
Antenna 110m of the Green Bank radio telescope, USA
Arecibo Observatory in Arecibo, Puerto Rico
Jupiter radio-bursts

Radio astronomy service (also: radio astronomy radiocommunication service) is – according to Article 1.58 of the International Telecommunication Union´s (ITU) Radio Regulations (RR)[1] – defined as «A radiocommunication service involving the use of radio astronomy.» Subject of this radiocommunication service is to receive radio waves transmitte by astronomical or celestical objects.

See also

Frequency allocation

The allocation of radio frequencies is provided according to Article 5 of the ITU Radio Regulations (edition 2012).[2]

In order to improve harmonisation in spectrum utilisation, the majority of service-allocations stipulated in this document were incorporated in national Tables of Frequency Allocations and Utilisations which is with-in the responsibility of the appropriate national administration. The allocation might be primary, secondary, exclusive, and shared.

In line to the appropriate ITU Region the frequency bands are allocated (primary or secondary) to the radio astronomy service as follows.

Frequency bands

Allocation to services
     Region 1           Region 2           Region 3     
13 360–13 410 kHz  FIXED
      RADIO ASTRONOMY
25 550–25 650          RADIO ASTRONOMY
37.5–38.25 MHz  FIXED
MOBILE
Radio astronomy
322–328.6     FIXED
MOBILE
RADIO ASTRONOMY
406.1–410     FIXED
MOBILE except aeronautical mobile
RADIO ASTRONOMY
1 400–1 427   EARTH EXPLORATION-SATELLITE (passive)
RADIO ASTRONOMY
SPACE RESEARCH (passive)
1 610.6–1 613.8

MOBILE-SATELLITE

(Earth-to-space)

RADIO ASTRONOMY
AERONAUTICAL

RADIONAVIGATION



1 610.6–1 613.8

MOBILE-SATELLITE

(Earth-to-space)

RADIO ASTRONOMY
AERONAUTICAL

RADIONAVIGATION

RADIODETERMINATION-

SATELLITE (Earth-to-space)
1 610.6–1 613.8

MOBILE-SATELLITE

(Earth-to-space)

RADIO ASTRONOMY
AERONAUTICAL

RADIONAVIGATION

Radiodetermination-

satellite (Earth-to-space)
10.6–10.68 GHz   RADIO ASTRONOMY and other services
10.68–10.7           RADIO ASTRONOMY and other services
14.47–14.5           RADIO ASTRONOMY and other services
15.35–15.4           RADIO ASTRONOMY and other services
22.21–22.5           RADIO ASTRONOMY and other services
23.6–24                RADIO ASTRONOMY and other services
31.3–31.5             RADIO ASTRONOMY and other services

References / sources

  1. ↑ ITU Radio Regulations, Section IV. Radio Stations and Systems – Article 1.58, definition: radio astronomy service / radio astronomy radiocommunication service
  2. ↑ ITU Radio Regulations, CHAPTER II – Frequencies, ARTICLE 5 Frequency allocations, Section IV – Table of Frequency Allocations
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