Microwave Stocks List
Symbol | Grade | Name | % Change | |
---|---|---|---|---|
BOSC | A | B.O.S. Better Online Solutions | 0.73 | |
MTSI | A | M/A-COM Technology Solutions Holdings, Inc. | 3.02 | |
KEYS | B | Keysight Technologies Inc. | -0.34 | |
NPK | B | National Presto Industries, Inc. | -0.76 | |
RELL | B | Richardson Electronics, Ltd. | -1.30 | |
TGS | B | Transportadora de Gas del Sur SA TGS | 0.03 | |
FEIM | B | Frequency Electronics, Inc. | 0.58 | |
ERIC | B | Ericsson | -0.24 | |
CRNT | B | Ceragon Networks Ltd. | 5.53 | |
PKE | B | Park Electrochemical Corporation | -0.85 |
Related Industries: Aerospace & Defense Asset Management Communication Equipment Computer Systems Conglomerates Consumer Electronics Diversified Industrials Electronic Components Electronics Distribution Medical Instruments & Supplies Packaged Foods Packaging & Containers Real Estate - General Scientific & Technical Instruments Semiconductor Equipment & Materials Semiconductors Shell Companies Software - Application Specialty Chemicals Telecom Services Utilities - Regulated Gas
Symbol | Grade | Name | Weight | |
---|---|---|---|---|
GCAD | A | Gabelli Equity Income ETF | 9.03 | |
CSD | B | Guggenheim Spin-Off ETF | 5.71 | |
SIXG | A | Defiance Connective Technologies ETF | 5.59 | |
ARGT | A | Global X FTSE Argentina 20 ETF | 5.19 | |
TPMN | C | The Timothy Plan Timothy Plan Market Neutral ETF | 4.33 |
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- Microwave
Microwaves are a form of electromagnetic radiation with wavelengths ranging from about one meter to one millimeter; with frequencies between 300 MHz (1 m) and 300 GHz (1 mm). Different sources define different frequency ranges as microwaves; the above broad definition includes both UHF and EHF (millimeter wave) bands. A more common definition in radio engineering is the range between 1 and 100 GHz (wavelengths between 0.3 m and 3 mm). In all cases, microwaves include the entire SHF band (3 to 30 GHz, or 10 to 1 cm) at minimum. Frequencies in the microwave range are often referred to by their IEEE radar band designations: S, C, X, Ku, K, or Ka band, or by similar NATO or EU designations.
The prefix micro- in microwave is not meant to suggest a wavelength in the micrometer range. Rather, it indicates that microwaves are "small" (having shorter wavelengths), compared to the radio waves used prior to microwave technology. The boundaries between far infrared, terahertz radiation, microwaves, and ultra-high-frequency radio waves are fairly arbitrary and are used variously between different fields of study.
Microwaves travel by line-of-sight; unlike lower frequency radio waves they do not diffract around hills, follow the earth's surface as ground waves, or reflect from the ionosphere, so terrestrial microwave communication links are limited by the visual horizon to about 40 miles (64 km). At the high end of the band they are absorbed by gases in the atmosphere, limiting practical communication distances to around a kilometer. Microwaves are widely used in modern technology, for example in point-to-point communication links, wireless networks, microwave radio relay networks, radar, satellite and spacecraft communication, medical diathermy and cancer treatment, remote sensing, radio astronomy, particle accelerators, spectroscopy, industrial heating, collision avoidance systems, garage door openers and keyless entry systems, and for cooking food in microwave ovens.
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