There is a lot of discussion here about 5G effect on GPS but I cannot find anything that talks about what that effect is. Lots of sky falling talk but nothing actually describing the potential interference. Everything I see shows 5G in the 3.3GHz to 4.5GHz range and also around 26GHz. With properly designed transmitters this won't have any impact on GPS or any of the other GNSS frequencies.
The only FAA articles I can find discussing concerns with 5G are about altimeters, nothing about GNSS or GPS. Most boats don't worry too much about altitude.
The more concerning aspect of the original article is the impact on weather forecasting and the potential impact on the 23.8GHz atmospheric moisture measurements. Although I suspect that won't be much of an issue since the vast majority of the area where those satellite measurements are important are well outside of 5G range.
All FCC approved transmitters have very specific requirements about side bands and out of band emissions specifically to address the concerns everyone is presenting. The example by @dlochner about an amateur radio setup interfering with TV signals is a good example of why limiting out of band emissions is very important. As long as the FCC addresses the concerns regarding out of band emissions, adjacent frequency use can be accommodated.
The only FAA articles I can find discussing concerns with 5G are about altimeters, nothing about GNSS or GPS. Most boats don't worry too much about altitude.
The more concerning aspect of the original article is the impact on weather forecasting and the potential impact on the 23.8GHz atmospheric moisture measurements. Although I suspect that won't be much of an issue since the vast majority of the area where those satellite measurements are important are well outside of 5G range.
All FCC approved transmitters have very specific requirements about side bands and out of band emissions specifically to address the concerns everyone is presenting. The example by @dlochner about an amateur radio setup interfering with TV signals is a good example of why limiting out of band emissions is very important. As long as the FCC addresses the concerns regarding out of band emissions, adjacent frequency use can be accommodated.