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Sgt. William T. Alexander, flight engineer, with B-24D#42-63980 of the 858th BS, 801st/492nd BG "Carpetbaggers" in 1944, showing Yagi antenna for Rebecca transceiver. The Rebecca/Eureka transponding radar was a short-range radio navigation system used for the dropping of airborne forces and their supplies.
Antenna Wave length Peak output Pulse length (μS) PRF (hz) Detection range single aircraft Detection range formation Weight First operational Number built Type 3 Mark 6 Model 4 (Type H6) Airborne radar: Yagi type: 2 m: 3 kW: 10: 70 km: 100 km: 110 kg: August 1942: 2,000 Type FM-1: Air and surface search radar: Yagi Type: 2 m: 42 kW: 70 km: 100 ...
The experimental Morgenstern German AI VHF-band radar antenna of 1943–44 used a "double-Yagi" structure from its 90° angled pairs of Yagi antennas formed from six discrete dipole elements, making it possible to fit the array within a conical, rubber-covered plywood radome on an aircraft's nose, with the extreme tips of the Morgenstern's ...
For directional antennas, the Yagi antenna is the most widely used as a high gain or "beam" antenna. For television reception, the Yagi is used, as well as the log-periodic antenna due to its wider bandwidth. Helical and turnstile antennas are used for satellite communication since they employ circular polarization. For even higher gain ...
A turnstile antenna, or crossed-dipole antenna, [1] is a radio antenna consisting of a set of two identical dipole antennas mounted at right angles to each other and fed in phase quadrature; the two currents applied to the dipoles are 90° out of phase. [2] [3] The name reflects the notion the antenna looks like a turnstile when mounted ...
This page was last edited on 3 December 2024, at 07:16 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
The AN/PRC-152 Multiband Handheld Radio, is a portable, compact, tactical software-defined combat-net radio manufactured by Harris Corporation. [1] It is compliant without waivers to the Joint Tactical Radio System (JTRS) Software Communications Architecture (SCA). [2] [3] It has received NSA certification for the transmission of Top Secret data.
The AN/PRC-6809 MBITR Clear is a variant of the MBITR, made available without encryption. While the PRC-148 includes US Type 1 capabilities in all versions, the PRC-6809 uses Level III Data Encryption Standard, making it available to police, firefighters, and militaries unable to obtain International Traffic in Arms Regulations (ITAR) approval.
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