Extremely high frequency (EHF) is the International Telecommunication Union designation for the band of radio frequencies in the electromagnetic spectrum...

Advanced Extremely High Frequency (AEHF) is a constellation of communications satellites operated by the United States Space Force. They are used to relay...

Extremely low frequency (ELF) is the ITU designation for electromagnetic radiation (radio waves) with frequencies from 3 to 30 Hz, and corresponding wavelengths...

at high frequencies, and a gradual loss of sensitivity to higher frequencies with age is considered normal. Sensitivity also varies with frequency, as...

Radio frequency (RF) is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical...

data at an extremely slow rate of about 1 bit per minute (17 millibits per second, or about 5 minutes per character). The highest frequencies useful for...

USA-214, also known as Advanced Extremely High Frequency-1 or AEHF-1, is a military communications satellite operated by the United States Air Force. It...

wing of the satellite that broadcast in the Super High Frequency (SHF) and Extremely High Frequency (EHF) ranges, and also a classified communication...

known as Schumann resonance. On the other hand, waveguides used in extremely high frequency (EHF) communications can be less than a millimeter in width. During...

different names for the electromagnetic waves within each band. From low to high frequency these are: radio waves, microwaves, infrared, visible light, ultraviolet...

high-data-rate satellite communication (SATCOM) masts, built by Raytheon, enabling communication at super high frequency (for downlink) and extremely...

electric field E ( t ) {\displaystyle E(t)} as it fluctuates at an extremely high frequency. Obtaining a spectrum from time series such as these involves the...

protected command and control communications through use of EHF (extremely high frequency) waveforms over military satellite constellations. As of February...

were based on the 601 series of communications satellites. The Extremely high frequency (EHF) package on satellites four through eleven have an Earth coverage...

word can be used as an insult, like "fool", although, due to its extremely high frequency of use in a multitude of contexts, it has lost much of its offensive...

used by wireless data transmitters, in the extremely high frequency (EHF) radio band (which is a lower frequency than visible light). The health risks posed...

transmitting and receiving radio waves in the super high frequency (SHF) or extremely high frequency (EHF) bands (e.g. microwaves). When a ground station...

USA-292, also known as Advanced Extremely High Frequency 5 or AEHF-5, is a military communications satellite operated by the United States Space Force...

northern Buryat samples of Kharkov et al. (2014) exhibited an extremely high frequency of haplogroup C2-M407: 48/76 = 63.2% C3d-M407, 14/76 = 18.4% N1c1-Tat...

(medium frequency to extremely high frequency). It is a component that is used in electronic systems to pass or reject specific frequencies and attenuate...

results of higher placed team only. Note 2: Considering there is an extremely high frequency of retirements due to various reasons w.o. wins/defeats are counted...

Single-Channel Antijam Man-Portable Terminal, part of the Advanced Extremely High Frequency system Single-Chip A-series Mainframe Processor, a single-chip...

listening areas. As the frequency gets lower, the attenuation with distance decreases, so very low frequency (VLF) to extremely low frequency (ELF) ground waves...

communicate on virtually every radio frequency band from very low frequency (VLF) up through advanced extremely high frequency (AEHF) using a variety of modulations...

USA-288, also known as Advanced Extremely High Frequency 4 or AEHF-4, is a military communications satellite operated by the United States Air Force. It...

a version of the Amiga Hunk executable file format Extremely high frequency, a radio frequency band European Handball Federation, the European governing...

High-frequency direction finding, usually known by its abbreviation HF/DF or nickname huff-duff, is a type of radio direction finder (RDF) introduced in...

WirelessHD specification is based on a 7 GHz channel in the 60 GHz Extremely High Frequency radio band. It allows either lightly compressed (proprietary wireless...

frequency range within the ultra high frequency part of the electromagnetic spectrum. It is not to be confused with the V band in the extremely high frequency...

of small unmanned aerial vehicles. Radar systems operating at extremely high frequency offer enhanced Doppler resolution for a given coherent processing...