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Frequency range Max bandwidth RX ADC ... 26 GHz; 9 kHz – 55 GHz, and 9 kHz – 70 GHz) Up to 490 MHz (2 Rx with 245 MHz each) ... Hunter SDR [61] Kit 2.5 – 30 MHz ...
Although not the first software-defined radio on the market, the IC-7300 was the first mass-produced mainstream amateur radio to use SDR technology instead of the older PLL-based transceiver design. [4] Designed to replace the older IC-746PRO the IC-7300 is smaller and significantly lighter than its predecessor. [5]
Encoder receiver transmitter (ERT) is a packet radio protocol developed by Itron for automatic meter reading. [1] The technology is used to transmit data from utility meters over a short range so a utility vehicle can collect meter data without a worker physically inspecting each meter.
The TS-820 did not have an LED frequency counter, but was otherwise identical to the 820S. [33] The TS-820S was the most sophisticated (and common) variant. [ 33 ] The TS-820X, unavailable in the United States, was primarily produced in Japan.
Software-defined radio (SDR) is a radio communication system where components that conventionally have been implemented in analog hardware (e.g. mixers, filters, amplifiers, modulators/demodulators, detectors, etc.) are instead implemented by means of software on a computer or embedded system. [1]
Frequency (MHz) Program Transmitter site Time, UTC Days Language Power (kW) Az Remarks 3.965 Radio France Internationale (DRM) Issoudun 01:00-00:57 1234567 French (Digital) 1 ND RFI 3.975 6160 Shortwave AM Radio Winsen 16:00-18:00 .234567 English 1 ND 3.985 SRF Schweizer Radio Kall-Krekel 16:00-17:00 1234567 German 1 ND 3.995 HCJB Deutsch
The Lincolnshire Poacher was a powerful British shortwave numbers station that transmitted from HM Government Communications Centre near Gawcott in Buckinghamshire, England, [1] and later from Cyprus, from the mid-1960s to July 2008.
A 5-tube superheterodyne receiver manufactured by Toshiba circa 1955 Superheterodyne transistor radio circuit circa 1975. A superheterodyne receiver, often shortened to superhet, is a type of radio receiver that uses frequency mixing to convert a received signal to a fixed intermediate frequency (IF) which can be more conveniently processed than the original carrier frequency.