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A modern Elecraft P3 Panadapter RBY-1, US Navy Panoramic Radio Adapter RBY-1 with Hallicrafters SX-28.The Panoramic Radio Adapter is the upper part. The radio spectrum scope (also radio panoramic receiver, panoramic adapter, pan receiver, pan adapter, panadapter, panoramic radio spectroscope, panoramoscope, panalyzor and band scope) was invented by Marcel Wallace - and measures and shows the ...
XTRX Pro [133] Pre-built 30 – 3700 MHz 120 MHz 12 12 Yes 120 MSRP SISO, 90 MSRP MIMO 0.1; 0.01 with GPS lock mini PCIe Unknown Yes Unknown Xilinx Artix7 50T Zeus ZS-1 [134] [135] [136] Pre-built 300 kHz – 30 MHz ? Yes 10 kHz, 20 kHz, 40 kHz, 100 kHz 1/3 USB 2.0 Yes No No USRP N310 [137] Pre-built 10 MHz – 6 GHz 100 MHz 16 14 Yes
Lafayette's products ranged from individual resistors, capacitors, and components to stereos and two-way radios for amateur radio, CBers, and shortwave listeners. Many were dedicated types with special functions, such as VHF receivers for police and fire channels built into a CB radio.
Several hand-held Project 25 radios used around the world. Project 25 (P25 or APCO-25) is a suite of standards for interoperable digital two-way radio products. P25 was developed by public safety professionals in North America and has gained acceptance for public safety, security, public service, and commercial applications worldwide. [1]
Some details about the Turkish Embassy Radio system : The transmitter was the old driver CTD 500 with SSA 400 or SSA 1000. Receiver was the CR 300, two of them in the cabinet. The intention was to use space diversity. No place for two "real" Antennas, the second receiver got an active antenna AA300. Each receiver had a FSK demodulator, CRFD 1000.
The output power of the two carriers (M1 and M2) increases by about 1 dB in each frame, while the 3rd order intermodulation products (D3 and D4) grow by 3 dB in each frame. Higher-order intermodulation products (5th order, 7th order, 9th order) are visible at very high input power levels as the amplifier is driven past saturation.
Swan merged with Cubic Corporation in 1967, and Johnson managed Swan as its subsidiary until 1973. Johnson founded Atlas Radio in 1974. Atlas produced smaller solid state radios for mobile communications from vehicles of all types. [3] Many Swan radios remain in service today, restored and operated by vintage amateur radio enthusiasts. [2]
Type 'C' Form 'A' twin detector crystal radio set, manufactured by British Thomson Houston Ltd. in 1924, kept at the Museum of the radio - Monteceneri (Switzerland) Early radio telegraphy used spark gap and arc transmitters as well as high-frequency alternators running at radio frequencies. The coherer was the first means of detecting a radio ...
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