This week’s Advocate is a little late due to an out-of-office work commitment. Meanwhile, many activities that will impact public-safety communications in 2020 continue. One issue we must increasingly deal with is wireless communications interference. As the FCC and NTIA find more ways to allocate or share more spectrum to accommodate other users and groups, the ability to resolve interference problems becomes critical. There are many types of radio interference, and most interference is not intentional. This week we will look at a few types of interference and how to minimize problems…