File:Electronics Technician - Volume 7 - Figure 2-20.jpg
Jump to navigation
Jump to search
Size of this preview: 309 × 600 pixels. Other resolutions: 123 × 240 pixels | 247 × 480 pixels | 1,001 × 1,943 pixels.
Original file (1,001 × 1,943 pixels, file size: 343 KB, MIME type: image/jpeg)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
| Description |
English: Drawing of a conical monopole antenna, a broadband omnidirectional antenna used for communications in the high frequency (HF) band by the US Navy. It can transmit at powers up to 40 kW and has a gain of -2 to 2 dBi. About 20 feet high. In US Navy electronics technician training manual. Covers a basic introduction to antennas and wave propagation. It includes discussions about the effects of the atmosphere on rf communications, the various types of communications and radar antennas in use today, and a basic discussion of transmission lines and waveguide theory. |
|||
| Date | ||||
| Source | Navy Non-Resident Training Courses Library | |||
| Author |
Larry D. Simmons Floyd L. Ace II |
|||
| Other versions |
|
Licensing
|
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.
|
 |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:41, 3 October 2017 | | 1,001 × 1,943 (343 KB) | Shooke | File:Electronics Technician - Volume 7 - Antennas and Wave Propagation - NAVEDTRA 14092.pdf cropped 61 % horizontally and 41 % vertically using CropTool with precise mode. |
File usage
The following 2 pages use this file:
Global file usage
The following other wikis use this file:
- Usage on en.wikipedia.org
