extremely high frequency


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extremely high frequency

n. Abbr. EHF
A radio-frequency band with a range of 30,000 to 300,000 megahertz.

extremely high frequency

n
(General Physics) a radio frequency between 30 000 and 300 000 megahertz. Abbreviation: EHF

extreme′ly high′ fre′quency


n.
any radio frequency between 30 and 300 gigahertz. Abbr.: EHF
[1950–55]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.extremely high frequency - 30 to 300 gigahertz
radio frequency - an electromagnetic wave frequency between audio and infrared
electromagnetic spectrum - the entire frequency range of electromagnetic waves
References in periodicals archive ?
New communications platforms such as the Wideband Gapfiller Satellite, the Advanced Extremely High Frequency satellite system, and the Transformational Communications Architecture will distribute what's collected.
These links included commercial Ku-band using an AN/USC-60 provided by L3 communications, a Defense Satellite Communications System X-Band using an AN/TSC 93B, and a military strategic, tactical and relay extremely high frequency link using secure mobile anti-jam reliable tactical terminals.
02 contract to provide for Minuteman Minimum Essential Communication Network (MEECN) Program integrates and extremely high frequency (EHF) and very low frequency and low frequency (VLF/LF) communication capability into the 50 operational Minuteman Launch Control Centers (LCC's) at Wing I Malstrom Air Force Base (20 sites), Wing II Minot Air Force Base (15 sites), and Wing V F.
The five-year contract calls for the continued operation and maintenance of various systems and services provided by NCTLD Brunswick which include high frequency (HF), ultra high frequency (UHF) and extremely high frequency (EHF) systems, tactical air-to-ground communications, patrol squadron aircraft communications security (COMSEC) support, defense messaging system (DMS) and legacy Naval messaging services throughout New England.
His leadership has been key to the success of Milstar's replacement, the Advanced Extremely High Frequency (AEHF) satellites, and the Enhanced Polar System (EPS) payload.
Lockheed Martin has successfully integrated the propulsion core and payload module for the fourth Advanced Extremely High Frequency (AEHF) satellite nearly five months ahead of schedule.
US aerospace firm Northrop Grumman Corp (NYSE: NOC) said it has taken a significant step to reduce the risks and costs associated with producing an extremely high frequency satellite communications system for the US Air Force's B-2 stealth bomber.
The follow-on to Milstar will be the Advanced Extremely High Frequency system, which successfully completed its system level critical design review this past May.
Operating in the extremely high frequency range, the Milstar satellite system provides protected, interoperable communications among all services with Milstar ground terminals.
The Advanced Extremely High Frequency (AEHF) National Team, comprised of Lockheed Martin, Sunnyvale, Calif.
Before that she was general manager of the Military Satellite Communications (MILSATCOM) Division where she was responsible for systems engineering support to the Air Force for multiple satellite communications systems and programs, including the Advanced Extremely High Frequency (EHF), Defense Satellite Communications System (DSCS), Wideband Gapfiller, and Milstar programs.
The processor successfully communicated using the Air Force-developed protected tactical waveform, which builds upon the proven protection features of the Advanced Extremely High Frequency (AEHF) program's extended data rate waveform known as XDR.

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