Kashima 34m Antenna

34m antenna

34m antenna, constructed in 1988, has the largest aperture in the Kashima Space Research Center. It is capable to receive multiple frequency bands spanning from 1.35GHz to 43GHz. This capability was made possible by a combination of various advanced technologies, such as the accurate surface of main reflector, the steerable sub-reflector system, and the multi receiver trolley system. This antenna is used for various purposes like geodesy (Very Long Baseline Interferometry), astronomy, and radio science.

Photo Gallery

34m Antenna (4752x3168 JPG:3.31MB): 23 Nov. 2013
34m Antenna with New NICT Logo (2048x1536 JPG:1.5MB) JPG:1.5MB): 10 Aug. 2011
Re-painted 34m #1(1536x2048 JPG:1.26MB): 8 Mar. 2011
Re-painted 34m #2(2048x1536 JPG:1.28MB):8 Mar. 2011
34m antenna and snow on mole field (1536x 2048 JPG:794KB): 17 Jan. 2008
34m antenna and snow(2048x1536 JPG:798KB): 17 Jan. 2008
34m and 11m antennas observing "HAYABUSA" (1500x900 JPG:147KB) : Nov. 12, 2005
34m antena with flowers (2592x1944 JPG:559KB) : June 5, 2005
GIF Animation of the 34m antenna (GIF animation 1510KB)
QTVR movie of the 34m antenna (QTVR 340KB)
Geodetic VLBI Movie (Part 2) : May 21, 2003 (320x240 AVI:4.4MB)
Geodetic VLBI Movie (Part 1) : May 21, 2003 (320x240 AVI:4.0MB)
34m antenna (1600x1200 JPG:680KB) : Jan. 24, 2003
34m antenna with a rainbow (2369x1431 JPG:461KB) : Nov. 12, 2001
The 1st Sunrise of the 21st Century (640x480 JPG:39KB) : Jan. 1, 2001
34m antenna in the night : Oct. 2000
Picture (1983x1419 JPG:1009KB) : March 2000
Picture (2648x1814 JPG:1354KB)

34m Antenna Annual Report
2001, 2002, 2003, 2004, 2005, 2006, 2007

Specifications

Dimensions and Features

Diameter34m
TypeCassegrain
MountAz-El steerable
Surface Accuracy0.17mm RMS
Drive Range[EL] +6 deg to +90 deg [AZ] -355 deg to +355 deg
Maximum Speed[EL] 0.64 deg/sec [AZ] 0.8 deg/sec
NASA CDDIS Monument Number1857
IERS DOMES Number21701S004

Specifications of Receivers

Frequency BandReceiver Noise TemperatureSystem Noise TemperatureEfficiencyBeam Width
1.35-1.75GHz10K38K68%24'
2.193-2.35GHz11K71K68%16'
4.60-5.10GHz25K55K70%7.5'
7.86-8.68GHz13K52K68%4.4'
21.8-23.8GHz75K160K57%1.6'
31.7-33.7GHz85K150K-%1.2'
42.3-44.9GHz180K350K20%51"

Mt. Fuji seen from 34m antenna

Mt. Fuji in the evening


Jan. 9, 1999 (evening)


16:34 (left), 16:36 (right) on Nov.9, 2005

Mt. Fuji in the morning, if you are lucky


06:57 on Jan.24, 2003


Please give your comments and encouragements to us.

Last Update: November 15, 2005
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