Odesa

The URAN-4 radio telescope

As the fourth station of the URAN decameter interferometer network, URAN-4 is situated in the Mayaki village, Odesa region, Ukraine. It is operated by Institute of Radio Astronomy of National Academy of Sciences of Ukraine (Kharkiv).

geographic longitude: 30° 16′ 19′′
geographic latitude: 46° 23′ 44′′

Antenna specifications

Frequency range: 8 – 32 MHz (potential for up to 40 MHz)
Antenna type: antenna array of wideband dipoles
Number of array elements: 128 (4 × 32)
Antenna array dimensions: 238 × 29 m
Effective area: 7000 m2 at 20 MHz
Antenna polarizations: two linear polarizations
Best beam width (HPBW): 3.5° × 30° (at 25 MHz)