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Fig. 5: Horizontal alignment
Technical data of the antenna
Type
Order Number
Channels
Gain
Front-to-back-ratio
Wind load at 800 N/m
2
Limiting wind load at 1100 N/m
Overview of the Kathrein antenna masts
Type
Order Number
Lenght L
Diameter D
/D
1
2
Cable entry points
Quality category (steel)
Wall thickness in clamping range
Allowable bending moment
1)
Effective length at 800 N/m
2
Allowable bending moment
1)
Effective length at 1100 N/m
2
Packing unit/weight
1) The maximum allowable moment on the clamping point applies to the appropriate effective length. The wind load absorption of the tube has
already been allowed for. The values in boldface apply to an ordinary wind load (q = 800 N/m
N/m
), the reduced values apply.
2
According to EN 50083-1, the mast clamping length must be at least 1/6 of the mast length.
2) The technical data underlie the basis for estimation according to DIN 4131.
If the sum of the antenna wind load moments exceeds the values put in parentheses (equivalent 1,650 Nm on clamping point), a structural
analysis is required, according to EN 50083, part 1.
Internet: http://www.kathrein.de
KATHREIN-Werke KG • Phone +49 (0) 8031 1840 • Fax + 49 (0) 8031 184306 • Anton-Kathrein-Straße 1 - 3 • P.O. Box 100 144 • 83004 Rosenheim/Germany
Transmitter
dB
dB
N
N
2
ZSD 48
218380
m
2 x 2 = 4
mm
3
St 52
mm
2.5
,
5.0 m
-
4.0 m
-
3.0 m
1,170
,
5.0 m
-
4.0 m
-
3.0 m
1,110
pc/kg
1/11. 4
Fig. 6: Vertical alignment
AUY 69
212121
21-69
8-14
21-38
67.2
92
ZSF 47
ZSF 48
218385
218381
2 x 2.5 = 5
40/48
-
3
St 37
St 52
2
2.5
-
-
500
1,040
540
1,080
-
-
390
920
480
1,000
1/11.3
1/14.2
Cable outlet pointing slopingly
Cable outlet pointing slopingly
down
ZSH 47
ZSH 48
ZSH 59
218386
218394
218382
2 x 3 = 6
-
3
5
St 37
St 52
St 52
2
2.5
2.5
320
850
1,150
430
960
1,280
-
-
-
160
700
900
300
840
1080
-
-
-
1/13.1
1/17.8
1/20.5
). In case of increased wind load (q = 1,100
2
Transmitter
Writing is
Writing is
legible
legible
ZSH 62
2)
218383
48/60
5
St 52
4.5
1,950 (1,150)
2,120 (1,280)
-
1,700 (900)
1,960 (1,080)
-
1/37.5
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