Original sentence: However, private sector meteorologists rely heavily on data generated by the National Weather Service, as no for-profit company has erected nationwide networks of weather radar or launched satellites.National Weather Service forecasts and data, being works of the federal government, are in the public domain and thus available to anyone for free in accordance with United States law.This was seen by some as hindering private sector meteorologists' ability to profit from weather forecasting
Edited sentence: All National Weather Service forecasts and data, being works of the federal government, are in the public domain and thus available to anyone for free in accordance with United States law, undercutting private sector meteorologists' ability to earn a living from weather forecasting, observation and other realms of meteorology.This is in contrast to practice in other countries, where crown copyright limits the commercial use of government data