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HF radio and antenna (plus software if automatic updating of computer time is desired) TrueTime TL-3 WWV Receiver; ntpd with Radio WWV Audio Demodulator/Decoder (driver can tune ICOM HF radios via C-IV) COAA's Radio Clock [21] F6CTE's CLOCK [15] WWVH: 5, 10, and 15 MHz AM Voice with modified IRIG-Hformat time code on 100 Hz sub-carrier (CCIR code)
USB 2.0, 10/100 Ethernet Yes Yes Yes AirSpy R2 [18] Pre-built Active 24 – 1700 MHz 10 MHz 12 N/A No 10 MSPS MSps ADC sampling, up to 80 MSPS for custom applications 0.5 0/1 USB Yes Yes Yes using ports none AirspyHF+ [19] Pre-built Active 9 kHz - 31 MHz 60 MHz - 260 MHz 660 kHz 18 N/A No 36 MSPS 0.5 0/1 USB Yes Yes Yes Antsdr [20] Pre-built
A soundbar, sound bar or media bar is a type of loudspeaker that projects audio from a wide enclosure. It is much wider than it is tall, partly for acoustic reasons, and partly so it can be mounted above or below a display device (e.g. above a computer monitor or under a home theater or television screen).
A "Wave Radio/CD" model was introduced in 1998 and was essentially a Wave Radio I with a CD player. The end of the waveguides were tapered by 2%. [ 7 ] Unlike the Acoustic Wave, the Wave Radio could be used as an alarm clock radio, and featured two independent alarms, which could be set to A/M or F/M radio, a buzzer, or a device plugged into ...
The FM-1 stereo radio tuner was praised at the Consumer Electronics Show. [2] In 1981, the FM-2 with digital tuning was released. [2] To complement its line of audiophile power amplifiers, Crown introduced a companion line of electrostatic loudspeakers in 1973, namely the ES224, the ES212, the ES26 and the ES14. [12]
The port is a remnant of an abandoned design feature for addition of internal RAM and a clock for time keeping. However, it was later widely used as a general purpose expansion port by third-party developers for devices, such as, I/O cards, sound cards [1] and even a USB controller. [2]
Some MP4 Players possess USB ports, to allow users to connect it to a personal computer to sideload files. Some models also have memory card slots to expand the memory of the player instead of storing files in the built-in memory. The iRiver SPINN portable media player features Samsung storage and a Telechips processor. It also features both a ...
Starting in the 2000s, most IBM PC compatible computers removed their external RS-232 COM ports and used USB ports that can send data faster. For users who still need RS-232 serial ports, external USB-to-UART bridges are now commonly used. They combine the hardware cables and a chip to do the USB and UART conversion.