ground communication vhf radio
91Valve RF amplifier — A valve RF amplifier (UK and Aus.) or tube amplifier (U.S.), is a device for electrically amplifying the power of an electrical , typically (but not exclusively) radio frequency signals.Low to medium power valve amplifiers for frequencies below… …
92Distributed element filter — Figure 1. A circuit featuring many of the f …
93Battle of Britain — This article is about the Second World War battle. For other uses, see Battle of Britain (disambiguation). Battle of Britain Part of the Second World War …
94Skywave — is the propagation of electromagnetic waves bent (refracted) back to the Earth s surface by the ionosphere. As a result of skywave propagation, a broadcast signal from a distant AM broadcasting station at night, or from a shortwave radio station… …
95Extremely high frequency — Frequency range 30 to 300 GHz ITU Radio Band Numbers 1 2 3 4 5 6 7 8 9 10 …
96EMC problem (excessive field strength) — In electromagnetic compatibility,EMC problems can occur when the system which is being adversely affected is subject to a high field strength due to a radio transmitter. It is important to note that these effects are not due to defects in the… …
97United Airlines Flight 93 — United 93 redirects here. For the movie, see United 93 (film). For the related made for TV movie, see Flight 93 (TV movie). United Airlines Flight 93 UA 93 s flight path on September 11, 2001 from Newark, New Jersey to Shanksville, Pennsylvania …
98AN/PRC-77 Portable Transceiver — AN/PRC 77 Radio Set is a manpack, portable VHF FM combat net radio transceiver manufactured by Associated Industries [http://www.associated ind.com/] , Manufacturer s website.] and used to provide short range, two way radiotelephone voice… …
99Loop antenna — A shortwave loop antenna A loop antenna is a radio antenna consisting of a loop (or loops) of wire, tubing, or other electrical conductor with its ends connected to a balanced transmission line. Within this physical description there are two very …
100Sukhoi Su-30MKK — Infobox Aircraft name=Su 30MKK caption= Venezuelan Su 30MK2 type= Multirole Fighter, Strike fighter, Heavy class fighter manufacturer=KnAAPO designer=Sukhoi first flight= introduced=December 2000 retired= status=Active service primary user=People …
