beacon transmitter การใช้

• Forecasting of skywave modes is of considerable interest to amateur radio operators and commercial beacon transmitters.
• The radio beacon transmitter building, constructed in 1961, is built of concrete blocks with timber framed doors and aluminium hopper windows.
• Unlike Thesiger, the team has Global Positioning System equipment for navigation and Personal Locator Beacon transmitters to be used in an emergency.
• Protected object controlling works with the token at hands working as a transceiver ( RFID passive ) or beacon transmitter ( RFID active.
• The project entails a number of 40 milliwatt beacon transmitters at a frequency of 7.023 MHz being operated by amateurs across the country.
• Usually a WSPR station contains a computer and a transceiver, but it is also possible to build very simple beacon transmitters with little effort.
• Bluetooth beacon transmitters come in a variety of form factors, including small coin cell devices, USB sticks, and generic Bluetooth 4.0 capable USB dongles.
• It also had 107.9 MHz beacon transmitters for telemetry purposes, powered by five nickel-cadmium batteries that were charged by 70 solar cells mounted on the balloon.
• Radio communication was provided by a 1 W, 108.03 MHz telemetry transmitter and a 10 mW, 108 MHz beacon transmitter that sent a continuous signal for tracking purposes.
• This ensures that only the installed app ( not the Bluetooth beacon transmitter ) can track users, potentially against their will, as they passively walk around the transmitters.
• Other buildings in the station include a radio equipment building that doubles as an office, a power house with a fuel store, the tide gauge hut, the radio beacon transmitter building and a workshop.
• "' ZACube-1 "'( "'TshepisoSat "'), is a South African CubeSat that carries a high frequency beacon transmitter to be used for space weather research . launched 21 November 2013 on a Dnepr launch vehicle from Yasny, Russia.
• Amateur Radio licensees are not allowed to operate unattended radio beacon transmitters on 28.000-29.700 MHz, 10.000-10.125 GHz, 24.000-24.050 GHz or 47.000-47.200 GHz within 50 km of the Waddington airfield, centred on Ordnance Survey Grid Reference SK 985640.
• Suspecting that Cooper had been stealing mail at the main post office in Stuart, a U . S . postal inspector mailed a Cartier watch containing " an electronic beacon transmitter which enables inspectors to track the parcel, " the complaint says.