Well here we are again, day two, trying to get the STS-121 mission off the pad. Hear is what is being heard. Will update this file as the day progresses.
Barney Hamlin reports the following INMARSAT L-band downlinks in use:
1535.500 MHz
1541.025 MHz
The SRB recovery ships are using 5711 kHz USB.
Orbital information and launch TLEs posted to my other blog at http"//monitor-post.blogspot.com.
More as it develops.