When the AMSAT-OSCAR 7 (AO-7) amateur radio satellite was launched in 1974, its expected lifespan was about five years. The plucky little satellite made it to 1981 when a battery failure caused it ...

LITTLE ELM, Texas--(BUSINESS WIRE)--Retractable Technologies, Inc. (“Retractable”) (NYSE American: RVP) announced today that its Board of Directors has declared dividends to holders of its ...

Retractable Technologies, Inc. (“Retractable”) (NYSE American: RVP) announced today that its Board of Directors has declared dividends to holders of its Series II Class B and Series III Class ...

Advance your business with outstanding news production system and editorial planning solutions. A federal judge ordered the White House on Tuesday to restore The Associated Press’ full access to cover ...

Additionally, a new technology known as fluid antenna system (FAS) has recently been proposed to obtain higher communication rates for future wireless networks by dynamically altering the antenna ...

Their title hopes remain thin but there's still a chance. Meanwhile, at Molineux, Wolves have beaten West Ham. It means Vitor Pereira's side are 12 points clear of the relegation zone with ...

He ran two wires outside from the radio, one to a ground connection and the other he ran along the eave as an antenna ... later – our house electrical system was not grounded, so tying the crystal set ...

Trump pauses ‘reciprocal’ tariffs higher than 10%, China faces 125% rate Trump pauses ‘reciprocal’ tariffs higher than 10%, China faces 125% rate The pause was announced hours after his ...

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ITU Radio Regulations (RR) define HAPS as radio stations located on an object at an altitude of 20-50 kilometres and at a specified, nominal, fixed point relative to the Earth. Technological ...

Technical characteristics for a universal shipborne automatic identification system using time division multiple access in the VHF maritime mobile band Superseded ...