Originally streamed May 9, 2024
Overview
This topic has rapidly become an issue that many broadcasters are, or will be, facing at some point. There has been much discussion in several forums over the past half dozen years about LTE interference; problems being experienced and reported by mobile carriers as interference to the receiving equipment in their facilities. This can be a challenge for FM broadcast stations because some of these receivers are trying to pick up a signal that’s well down into the noise floor; -100dB or lower. This means that, even if your station is totally legal according to government requirements, you could still have a harmonic in the LTE band (primarily 700-850 MHz, depending on your geographic location and the carrier involved) that is high enough to create an issue. As migration to 5G continues, this will be a lesser issue, but there are still low band (600MHz to 1GHz) 5G signals being used. This session discusses some of the mechanics of the interference, different ways to help mitigate and, perhaps more importantly, some of the legalities involved, as it’s not always a simple matter of “we were here first.”
About Your Instructor: Jeff Welton, CBRE, Nautel
Jeff Welton took his training in the Radio College of Canada (RCC) Electronics Engineering Technologist program, finishing in 1985. He has performed component-level repair, field installation and service, technical support and quality assurance roles with various companies and has been with Nautel for more than 26 years, the first 17 of which were spent in field service and technical support positions, as well as assisting engineering with design review of new products and improvement of existing systems. Since moving to sales in 2007, Jeff keeps finding ways to get his hands dirty and can frequently be found assisting in the install of a transmitter he’s sold, as well as performing site inspections and the occasional repair.
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