Tallguide Data Sheet for Various Frequency Bands. Designing Tallguide Runs.
How to Combat Uplink Power Loss in a Satellite Earth Station and Gain EIRP.

Tallguide Transmission Loss vs. Waveguide for Frequency Bands 5 to 110 GHz.

Tallguide Frequency Bands 5 to 110 Ghz. Waveguide and Tallguide Linearity AFC Press Announcements. Catalog Request Form.
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Antennas for Communications
Ultra Low Transmission Loss Waveguide

DirecTV 9m and 11m VertexRSI Uplinks Using Tallguide TG87 for Direct Broadcast Satellites. PanAmSat VertexRSI Ku-band Uplink Using Tallguide TG115. Tallguide TG87 and TG115.  Replaces WR62 and WR75. ASDE 3 Radar Using Tallguide TG87. MILSTAR Tallguide TG31.  Replaces WR22.

Jobs Jan. 2006
Tallguide TG134
Navy X-band Ship Surveillance Radar
Tallguide TG115
Uplink Homestead, FL
Tallguide TG87
DirecTV DBS-band
Uplinks in CA, CO
Tallguide TG16
University of Wyoming
W-band Cloud Radar

Welcome to the Tallguide

Ultra low transmission loss Tallguide (TALLGUIDE ) is a unique form of precision rectangular waveguide that exhibits one tenth (1/10) the transmission line loss of standard WR type waveguide. For power users, Tallguide carries 5 times more power than ordinary waveguide. Tallguide's virtual loss free transmission mode appeals to multi-mode waveguide technology where as many as 15 or more higher order modes may propagate. Tallguide has all necessary bends, twists and straight sections that are essential to lay out any waveguide run. A Tallguide run consists of transition units from standard waveguide into and out of Tallguide, H-plane bends, twists, straight sections and mode suppressor in-between. Tallguide enables the interfacility waveguide run distance, between the control room and transmitting antenna, to be specified for convenience. Tallguide is easy to install. Like waveguide, no special tools or alignments are necessary. Frequency range is 5 to 110 GHz.

Typical applications are satellite earth station uplinks and radar. Since most radar installations involve a common waveguide for both a transmit and a receive path, the Tallguide power savings are doubled when considering the overall system. For satellite communications applications, Tallguide increases uplink power, --- enabling the use of smaller antennas, higher effective radiative transmit power or uplink power control. Tallguide significantly reduces satcom earth station cost. And for high power applications, Tallguide may be used in place of water-cooled or air-fin cooled waveguide runs. Tallguide is available for all waveguide and satcom frequencies: C-band, X-band, Ku-band, DBS, Ka-band, MET and MILSTAR. For further satellite communications data, see How to Combat Uplink Power Loss reprinted from the January 1995 issue of Satellite Communications. Specific Tallguide component information for common Tallguide frequency bands may be found in the data sheet Tallguide Ultra Low Loss Waveguide.

In December 1994, Antennas for Communications adopted size and frequency band definitions for Tallguide that correspond to standard WR waveguide frequency band designations. For example, TG115 matches the WR75 frequency band. TG87 matches the WR62 frequency band. Under the Tallguide TGxxx standard, the "xxx" symbol with x.xx inch units, corresponds to 1/2 the cut-off wavelength of the dominate Tallguide propagating mode. The Tallguide x.xx dimension further corresponds to the distance between the Tallguide narrow walls. This TGxxx standard is similar to the WRxxx waveguide standard, where x.xx refers to the broad wall width, with inch units, and also refers to 1/2 the cut-off wavelength of the dominate waveguide mode.

We invite your visit to AFC's home page to investigate our company profile and products. A complete list of all Internet web documents is located at AFC's Site Index. Announcements on AFC's major military and commercial contracts, projects and awards are found in the Press Releases section.

For AFC's Product Catalog, email catalog@afcsat.com or request an AFC's Catalog now. For sales inquires or for general information, email AFC's departments sales@afcsat.com, info@afcsat.com or write or telephone AFC directly. Customer or technical support may reached at support@afcsat.com.

AFC manufactures, markets and sells worldwide satellite dish antennas, conical horn antennas, radomes, antenna feeds, microwave and waveguide components, ultra low loss waveguide transmission line Tallguide, and custom shelters. Our customers serve the satellite, broadcast, communications, radar, weather and cable industry, defense, government, and government agencies worldwide. AFC's quality control manufacturing standards are certified under ISO 9001 : 2008.

Antennas for Communications
2499 SW 60th Ave, Ocala, FL 34474
Telephone (352) 687-4121 Fax (352) 687-1203 E-mail sales@afcsat.com

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