Druckschrift 9981.0190, Broadcast Antenna Systems - Romkatel
Druckschrift 9981.0190, Broadcast Antenna Systems - Romkatel
Druckschrift 9981.0190, Broadcast Antenna Systems - Romkatel
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TV Transmitting <strong>Antenna</strong><br />
(Superturnstile <strong>Antenna</strong>) 470 – 860 MHz<br />
K 72 20 4. .<br />
Typical Horizontal Radiation Pattern<br />
(at mid-band)<br />
Vertical Radiation Patterns<br />
Examples of typical vertical<br />
radiation patterns*) for several bays<br />
of identical, vertically stacked<br />
antenna arrays.<br />
100<br />
4 bays<br />
E rel<br />
α°<br />
50<br />
10<br />
3<br />
0<br />
dB<br />
0 5 10<br />
100<br />
8 bays<br />
E rel<br />
α°<br />
50<br />
0 5 10<br />
100<br />
12 bays<br />
E rel<br />
α°<br />
50<br />
0 5 10<br />
100<br />
16 bays<br />
E rel<br />
α°<br />
50<br />
0 5 10<br />
*) without null fill<br />
with null fill and beam tilt<br />
41
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