Final answer:
The maximum transmission range for a manpack SINCGARS radio on high power varies based on several environmental conditions, but generally aligns with the inverse square law, which states that signal intensity decreases with the square of the distance from the source.
Step-by-step explanation:
The maximum transmission range for a manpack SINCGARS (Single Channel Ground and Airborne Radio System) radio on high power can vary based on several factors, including terrain, weather, and antenna type. However, without knowing the specific model and operating conditions, a general answer can be given using principles of radio communications. The significance of the radio transmission range lies in understanding that it's the furthest distance where a transmitter and a receiver can effectively communicate.
Considering radio range, it's understood that signal intensity decreases with the square of the distance from the source in an open environment—this is known as the inverse square law. For example, if a 60-kW radio transmitter sends a signal to a satellite 100 km away, and the power is increased to 90 kW, you could solve for the new maximum range at which that signal strength would be perceived using ratios based on the inverse square law.