Search results
Results From The WOW.Com Content Network
FR-4 epoxy resin systems typically employ bromine, a halogen, to facilitate flame-resistant properties in FR-4 glass epoxy laminates. Some applications where thermal destruction of the material is a desirable trait [ citation needed ] will still use G-10 non flame resistant .
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more
Material World was a weekly science magazine programme broadcast on Thursday afternoons on BBC Radio 4. Its regular presenter was Quentin Cooper , with contributions from scientists who were researching areas discussed in each programme.
The Realistic DX-60 is a multiband radio. The radio receives 3 MHz to 27 MHz AM shortwave in three bands, 26.965 MHz through 27.405 MHz HF CB in one band, 540 kHz to 1620 kHz standard AM broadcast in one band, and 87 MHz to 108 MHz monaural standard broadcast FM. The DX-60 existed in two versions, model 12-764 and a nearly identical but ...
A PRC-117 radio and SATCOM antenna. The AN/PRC-117F/G radio is currently in use with the United States Navy Seabee and EOD teams in their MRAP and JERRV vehicles. [2] The radio is also in use by the United States Marine Corps, [6] United States Army, [7] USSOCOM, [8] United States Coast Guard, United States Air Force, [9] Royal Air Force, [10] Dutch Army, Spanish Air Force, British Army ...
An RF anechoic chamber used for EMC testing. In materials science, radiation-absorbent material (RAM) is a material which has been specially designed and shaped to absorb incident RF radiation (also known as non-ionising radiation), as effectively as possible, from as many incident directions as possible.
FR-4 or FR4, a NEMA grade designation for glass-reinforced epoxy laminate material; The Magister, the fourth supplement of the Forgotten Realms series role-playing game; France 4, a television channel in France
Amateur radio operators began experimenting with packet radio in 1978, when—after obtaining authorization from the Canadian government—Robert Rouleau, VE2PY; Bram Frank, VE2BFH; Norm Pearl, VE2BQS; and Jacques Orsali, VE2EHP [2] of the Montreal Amateur Radio Club Montreal, Quebec, began experimenting with transmitting ASCII encoded data over VHF amateur radio frequencies using homebuilt ...