The Society of Broadcast Engineers
Chapter 33

SBE Chapter 33 represents the SBE and its members in Southwestern Ohio, which includes the Cincinnati and Dayton metropolitan areas.  If you work in a technical capacity at a broadcast or related facility in our area, or are a contract engineer or broadcast consultant based in Southwest Ohio, please consider joining our Society.

The Latest…


DATE: Wednesday, November 8, 2017

TIME: 6:30PM – 8:30PM

EVENT: Grass Valley News, Sports and Production Road Show

VENUE: Great America Ballpark, 100 Joe Nuxhall Way, Cincinnati, OH 45202

PROGRAM: IBC Technology Release Update Including IP and Social Media.  Facility tour following the meeting.

This will be a joint meeting of SBE chapters 33 and 52 and Ohio Section SMPTE.

Enter the Central Riverfront Garage on the west side of Joe Nuxhall Way (Main Street).  Drive down to Level P-1 and look for the “Special Event P-1 Club” sign.  Proceed to row P1D.  Park and walk to the “Club Level Entrance.”

Refreshments provided at 6:30PM

From SBE HQ:

Our thanks to all who voted in the recent SBE national election.  More than 1,100 members cast their ballots for officers and directors.  Our thanks too, to all of the candidates for their willingness to run and serve if elected.

The last part of the 8-module SBE RF101 webinar series, FCC Regulations, is September 21 at 2 pm ET.  Register at the SBE website.

A reminder that the results of the annual SBE Compensation Survey were released in early July.  It is available at the SBE website.

WLWT is currently searching for a candidate for a full-time Maintenance Technician.  For more information, navigate to: careers.hearsttelevision.com/ShowJob/Id/1106068/Maintenance-Technician.

The 5-part webinar “Introduction to IP Networking Standards & the Physical Layer” is underway.  Register at SBE.org.

Congratulations to Wayne Chaney who is retiring from WCPO-TV after 37 years.  Fortunately for us he is planning to remain active in SBE-33 and continue to manage our email dissemination list.

Thank you, Wayne.

We also need a CPBE volunteer to step up and assume the role of Certification Chair to replace Fred Stone who is retiring. Please contact Fred at w8lly@twc.com and our Chapter Chairman, Jim Stitt.

Thank you, Fred, for serving as Certification Chair these many years.


Huzzahs and a hearty congratulations go to SBE Chapter 33 member Jay Adrick, in his achievement of SBE Fellow.  More at sbe.org.

SBE News

Check out SBE RF 101: Terrestrial Transmission Systems Course.  Module 5 is coming up in June.  Register at the SBE website.

The SBE Mentor program is looking for more mentors and mentees.  Interested members can read the details at the SBE website.  Click on the Mentor Program box on the homepage of sbe.org, or go to the Mentor Program page.

Of Interest…

The new SBE Broadcast Engineering Handbook: Hands-on Guide to Station Design and Maintenance

is now available and can be ordered from the SBE Bookstore.  It will also be available at the SBE booth during the upcoming NAB Show.  It retails for $199 and the regular SBE member price is $159, but from now through the end of the NAB Show (April 22) you can get it for just $139.

The SBE has archived the webinar, Sharing of the 2025-2110 MHz Band Between DoD and the Broadcast Community, which was held on March 3.  The webinar describes future sharing of the band by the Department of Defense with broadcasters and discusses the plan being developed to coordinate its use.  There is no cost to view the one hour webinar.

FAA Updates Tower Lighting Requirements

December 9, 2015

On Dec. 4, 2015, the Federal Aviation Administration’s (FAA) released the Advisory Circular for Obstruction Marking and Lighting 70/7460-1L (AC 70/7460-1L), which cancels and replaces Advisory Circular 70/7460-1K. The release amends the lighting requirements applicable to towers that must be registered in the Commission’s Antenna Structure Registration (ASR) system. There has been some confusion about the change because unless a tower is within the glide slope of an airport or heliport and lower than 200 feet, no FAA authorization is required, and therefore no antenna structure registration. This new rule does not reduce the 200-foot limit to 150 feet and that is not clear from the FCC public notice.

Under FCC rules, each new or altered antenna structure subject to the antenna structure registration requirement must conform to the painting and lighting specifications set forth in the FAA’s final determination of “no hazard” and the associated FAA study for that particular structure. Additionally, the registration of such antenna structures must reflect the lighting specifications set in the No Hazard Determination. The FAA specifies marking and lighting for new and altered antenna structures based on the current version of AC 70/7460-1L. Therefore, going forward all new or altered antenna structures will follow AC 70/7460-1L.

The new advisory circular makes a number of changes that affect antenna structures. Most notably, Lighting Styles A, E, and F for antenna structures no longer employ L-810 steady-burning side lights for communications towers that are taller than 350 feet above ground level (AGL). As a result of this change, effective immediately all new communications towers taller than 350 feet AGL that use lighting may use only flashing obstruction lights.

In addition, for towers between 151 and 350 feet AGL, the new advisory circular requires flashing L-810 side lights, rather than steady L-810 side lights, for Lighting Styles A and E. This requirement will not take effect until Sept. 15, 2016, at which point all new communications towers taller than 150 feet AGL that use lighting may use only flashing obstruction lights. Note that this lighting change does not create any new tower registration requirements for towers below 200 feet AGL and are not within the prescribed glide slope for airports and heliports.

Read the FAA advisory

Read the FCC public notice

SBE 33 Members: What would YOU like to see?  MORE

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