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Master FM Antenna Mounted for Pattern Measurement

This is two-bays of an 8-bay directional master FM antenna built for Miami. The antenna is under going range testing and the results will be included in a directional FM antenna Proof of Performance for each station using the antenna. Each bay includes four (4) 1180 Series broadband FM elements and they are integrated into a custom four-sided support spine which will be top mounted on one arm of an American Tower owned candelabra.

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Oklahoma City – 1604-foot, 12-foot face, Guyed Tower with a 3-Arm Candelabra Owned by American Tower

This is a file photo of a 1604-foot tall guyed tower that is owned by American Tower Corporation and was erected in 2007. The 12-foot face tower includes a three-arm Candelabra with a top of steel of 1464-feet above ground level. At the time this photo was taken the antennas had not yet been installed but they soon will be. The tower supports a 12-bay COGWHEEL® Master FM Antenna and Tyler Media’s KTUZ-TV, a Telemundo affiliate. KTUZ-TV transmits with an ERI TRASAR® UHF Television Antenna.

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WIBN’s LPX-6C FM Antenna from the Top-Down

WIBN, 98 GOLD, serves Lafayette and surrounding area in Indiana and Illinois. The photo was taken as the ERI tower crew was finalizing the installation of this 295-foot guyed tower at the end of July 2010. The top 74-feet of the tower is an ERI LAMBDA® Optimized FM Antenna Mounting System and it supports an ERI Model LPX-6C FM antenna. The tower, antenna, transmission line and installation were all supplied to WIBN by ERI. The station had the misfortune it original tower brought down by an accident with heavy farm equipment. The tower was erected at the original location and work started as soon as the insurance settlement was reached. You can read more details on the accident and the aftermath at the Radio World web site.

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New UHF Tee Combiner bound for Florida

This RF system provides mask filter and channel combiner for two Low Power DTV facilities which will operate on RF Channels 16 and 18. The filters are 6-section UF3000-63 and each filter input includes a Model DC3011-2 dual port, adjustable directional coupler. The system also includes a DC3012-3 3-port adjustable directional coupler at the combined output, which is not shown. The combined output will be fed to an ERI AL PLUS™ 12-bay elliptically polarized UHF television antenna.

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High Band VHF Hybrid Freshly Painted and Heading to Packing for Shipment

This is a broadband ERI HY0246 3.98 dB high band VHF hybrid power combiner which is just out of the paint booth and heading to shipping. The hybrid will be integrated into a system with an ERI HY0247 4.77 dB high band VHF hybrid. A 10 kW and 5 kW transmitter cabinets will be combined by the HY0247 and it combined output will be fed to the HY0246 will combine that 15 kW with another 10 kW transmitter cabinet for a total output transmitter power output of 25 kW.

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New Broadband UHF Television Antenna

A new broadband directional UHF television antenna that is part of a distributed transmission system antenna has just completed testing and the power divider and feed system have been disassembled and are being packed for shipment. The panel elements and support pole will be shipped in two (2) pieces each in a fitted support cradles and reassembled on site by the ERI installation crew.

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New 3-Channel FM Manifold Combiner

This is a three (3) channel FM combiner built with 938A 3-section FM bandpass filters. Each convection-cooled filter is rated for up to 3.5 kW average power, if optional forced air-cooling is added power handling increases to 7.0 kW. The combined output is 1-5/8-inch EIA flanged and includes a dual port direction coupler. This system is also equipped with optional floor stand to support the filters.

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New High Band VHF Panel Antenna

This is one antenna element of a new broadband high band VHF television antenna destined for a Phase 10 FCC repack project. The horizontally polarized antenna element is one part of a four-element array which will be configured as a nondirectional antenna. ERI is also providing the transmission line to feed the antenna and the services required to install the antenna.

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High Power RF Channel 6 Circularly Polarized Low Band VHF Antenna

This is part of the 16-bay, half wave bay to bay spaced array, RF Channel 6 antenna belonging to the University of Alabama.  It’s one of two (2) Full Service Commercial Television Station in the US owned by an institution of higher learning. The station has a paid professional staff, along with University students who fill on-air, production and sales assistant roles.  The station is a THISTV affiliate and operates as a satellite of co-owned WVUA-CD which is a Class A DTV station licensed to Tuscaloosa.  This full power antenna extends its reach to cover the Birmingham-Tuscaloosa-Anniston market. ERI provided this antenna and performed installation in 2009. ERI also has other Low Band VHF television versions of its reliable and field proven ROTOTILLER® FM antenna.  For a complete list of ERI’s antenna product line, click here: https://eriinc.com/catalog/antennas/

Photo courtesy of Westley Humphryes

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WILL-AM-FM-TV Studio Tower at the University of Illinois Champaign-Urbana

The tower on the right is a 250-foot self-supporting tower located on the University of Illinois campus at the WILL-AM-FM-TV studios in Urbana, Illinois. The tower has an overall height of 250-feet and was built so the STL antennas connecting the FM and television studios have a clear line of site, above a new building built on campus, to the WILL-TV and FM tower located outside Monticello, Illinois.