as the AlphaStar DBS satellite service ceased operations in August 1997 (and discontinued completely by the following month), as the services of Alphastar continued to be used under the auspices of the Champion Telecom Platform with 13m and 3.7m C/Ku-Band antennas and most being used for FSS Ku-Band (regular) and FTA channels. what were the AlphaStar satellite dishes being used for after the satellite company went out of service?