Ads
related to: hf-07 adjustable desktop phone stand
Search results
Results From The WOW.Com Content Network
The High Frequency Global Communications System (HFGCS) is a network of single sideband shortwave transmitters of the United States Air Force which is used to communicate with aircraft in flight, ground stations and some United States Navy surface assets. All worldwide receiving and transmitting sites in the HFGCS system are remotely controlled ...
Now, normally: either VHF or UHF; HF communications avionics are usually abbreviated simply HF CORSIA Carbon Offsetting and Reduction Scheme for International Aviation: COTS Commercial off-the-shelf: CPA Closest point of approach CPDLC controller–pilot data link communications: CPR Changed product rule EASA: CPS Cycles per second CRD
Automatic Link Establishment, commonly known as ALE, is the worldwide de facto standard for digitally initiating and sustaining HF radio communications. [1] ALE is a feature in an HF communications radio transceiver system that enables the radio station to make contact, or initiate a circuit, between itself and another HF radio station or network of stations.
Satellite phone (Inmarsat) in use in Nias, Indonesia, in April 2005 after the Nias–Simeulue earthquake. A satellite telephone, satellite phone or satphone is a type of mobile phone that connects to other phones or the telephone network by radio link through satellites orbiting the Earth instead of terrestrial cell sites, as cellphones do.
IV. V. VI. v. t. e. Very high frequency (VHF) is the ITU designation [1] for the range of radio frequency electromagnetic waves (radio waves) from 30 to 300 megahertz (MHz), with corresponding wavelengths of ten meters to one meter. Frequencies immediately below VHF are denoted high frequency (HF), and the next higher frequencies are known as ...
A Heathkit amateur radio transmitter circa 1969, with external VFO. A variable frequency oscillator (VFO) in electronics is an oscillator whose frequency can be tuned (i.e., varied) over some range. [1] It is a necessary component in any tunable radio transmitter and in receivers that work by the superheterodyne principle.
Ad
related to: hf-07 adjustable desktop phone stand