1. Give a technical explanation as to why AM radio stations are much more susceptible to noise and interference compared to FM radio stations.
2. Modern technology has given us satellite radio. With 100+ stations and availability across the country, it has many benefits. However, there are other social implications such as local businesses losing an advertising outlet. HD Radio is a local high quality alternative, but doesn't have nearly the reach. Give your opinion on either technology. If you use either technology, give your impressions.