I had an idea

1. When ISS is heard direct 2. Ask predict for the lat and lon and alt of ISS 3. Ask the radio for signal strength 4. Place the data into a mysql table 5. Plot on google earth positions where ISS is heard 6. Draw lines from my qth to where ISS was heard in 3D

3D coverage maps ?

---------------------------------------------------------------------------- Andrew Rich VK4TEC vk4tec@people.net.au http://www.tech-software.net