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Final version of conical
feedhorn for offset dish F/D 0,6 design OK2AQ |
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Final versions of two different types of conical
feedhorn for offset dish F/D 0,8 design OK2AQ |
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Set of feeds build for test of RX performance |
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W2IMU short, W2IMU long version, Horn
simulated by OK2AQ, DFC feed design for prime focus dish
1,8m portable |
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Conical horn, courtesy of Mirek OK2AQ |
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WR42 twisted section
from H.pol to V.pol - Rectangular - circular transition
Militech - W2IMU short version with flare - SWR open space
-20dB
RX performance with extended W2IMU CS/SN
11,2dB CS/MN 1,5dB - SFU 66 |
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Professional feed horn gain 15dBi, Angle of
radiation pattern 70° for -3dB
RX performance CS/SN=12dB, CS/MN=1,8dB SFU 66 |
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View inside of corrugated cylindrical
horn |
View in rectangular input of
rectangular-circular transition - Made by Militech |
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another view in corrugated cylindrical
input - follow with diameter transition and
rectangular-circular transition - Made by Militech |