The ZC1 Radio is a High Frequency (HF) transmitter receiver (Transceiver) designed and built in New Zealand during World War 2 for the NZ Armed Forces. During the war the type was mainly used by the NZ Army but both the NZ Airforce and Navy also used a number of the sets.
SI-8746 Harrier Multichannel Wideband HF Digital Tuner Delivers Unmatched Speed and Dynamic Range in Signal Detection 2-4 Channels, 1 MHz - 30 MHz Frequency Range, 30 MHz Bandwidth Tuner Equipped with the highest dynamic range among HF tuners, Harrier’s ability to detect very weak signals in dense and noisy HF signal environments is unsurpassed.
Mar 05, 2015 · HF Transceiver; ScanningConfigurable up to 8 channels per second; Linking and Data3G ALE (STANAG 4538) including FLSU, HDL, LDL MIL-STD-188-141B MIL-STD-188-110A MIL-STD-188-110B; Operating temperature–40 to +70°C, full spec –30 to +60°C; Frequency stability±0.5 ppm; Clarifier10 Hz; Power source12 V DC (10.8 to 15 V operational ...
transmitting an rf carrier is collectively called a radio transmitter. Transmitters may be simple, low-power units, for sending voice messages a short distance or highly sophisticated, using thousands of...
High Frequency Products. Why HF? HF Radios. RT-9000E Software-Defined HF SSB/ISB Radio; R-9000E Software-Defined MF/HF SSB/ISB Receiver; T-9000E Software-Defined HF SSB/ISB Transmitter/Exciter; HF Power Amplifiers. LPA-9500 (500 Watt) and LPA-9600 (1 Kilowatt) Power Amplifier; T-5000A 5 Kilowatt High Power Transmitter System
Apr 09, 2011 · MTR1 Mk2 Army HF transceiver (1967) RA7915 OTC Fixed frequency HF receiver (1970s) Reception Set No 4: Reception Set No 8C: Transmitter/receiver TRP-1: RAN Tuner C Receiver (WWI 1917) Wireless Set WS-11 Army HF mobile transceiver (1942) Wireless Set WS-62 Army HF mobile transceiver (post WWII) Wireless Set WS-108 Army HF manpack transceiver (1941)
Founder J.O. Weldon builds the first 500kW transmitter using the Doherty Amplifier This technique made 500kW transmitters efficient and affordable in radio broadcasting, revolutionizing the technology in the U.S. and, ultimately, the world.
Submitted to Department of the Navy, Office of Naval Research Under Contract No. N00014-69-C-0175. Marha, K., J. Musil, and H. Tuha: Electromagnetic Fields and the Life Environment. State Health Publishing House, Prague, Czechoslovakia, 1968.
The transmitter was an American device and in the Royal Navy it was called a Type 89 with suffixes. Most of our ships of Sloop size [Frigate] and above were fitted with it in the 1940's and 1950's. In it original package it was simply an 89.