On the 119 satellite, TPs 1, 3, 5, 7, and 9 are spotbeam TPs so depending on your location you may get low or zero signal level readings. On the 110 satellite, TPs 2, 4, 6, 8, and 10 are spotbeam TPs and are also location dependent for signal strength. In addition, on the 110 satellite, TPs 7, 13, 17 and 19 are used for High Definition (HD) programming which uses a different compression type i.e., 8PSK. Unless you have a HD receiver, you will have zero signal level readings on these TPs. It should be noted that TP 19 has been switched from an HD TP to a Standard Definition (SD) TP recently but it may have been switched back to HD after the election multichannel event.