File:Pan polar antenna.png
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Size of this preview: 800 × 565 pixels. Other resolutions: 320 × 226 pixels | 640 × 452 pixels | 1,024 × 723 pixels | 1,280 × 904 pixels | 1,976 × 1,395 pixels.
Original file (1,976 × 1,395 pixels, file size: 607 KB, MIME type: image/png)
Summary
| Description |
English: Drawing of a pan polar antenna, a type of monopole umbrella antenna used by the US Navy. It consists of a grounded metal tower with a ring of guy wires attached to the top functioning as a capacitive topload. Inside the ring of topload wires are 3 vertical inductive loading loops at 120° angles, composed of interconnected guy wires. Two are connected to the ground system, the third is connected to the feedline from the transmitter and feeds power to the antenna. This is used as a transmitting antenna in the LF band. |
| Date | |
| Source | Retrieved 14 September 2020 from Manual NAVELEX 0101,113, Naval Shore Electronics Criteria, Naval Electronics Systems Command, US Navy, Washington DC, October 1972, p. 4-26, fig. 4-16 |
| Author | Unknown author |
Licensing
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This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:58, 9 March 2023 | | 1,976 × 1,395 (607 KB) | commons>Renamed user 407733782983125 | Higher resolution image |
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