umbrella antenna मीनिंग इन हिंदी

उदाहरण वाक्य

1. Umbrella antennas with heights of 15 to 460 metres are in service.
2. This type of antenna array is called a trideco or umbrella antenna.
3. It is also possible to build an umbrella antenna with a grounded tower.
4. Umbrella antennas can be built as single mast antennas or as multiple mast antennas.
5. Umbrella antennas radiate omnidirectional radiation pattern.
6. Thus the umbrella antenna uses the guy wires as the top-load part of the antenna.
7. The umbrella antenna was used for frequencies around 30 kHz, the ring antenna for frequencies around 20 kHz.
8. Many smaller anchor blocks providing foundations for smaller towers that supported the umbrella antenna are still visible in the lagoons.
9. They used grounded or insulated guyed masts with umbrella antennas, or wire-spans across both valleys and fjords.
10. Two further masts of the station carrying an umbrella antenna are 471 metres tall and the tallest structures in India.