All satellite tele-command frequencies / channels known to this system. Every satellite may have one or more TC channels, but these are only required if the application deals with satellite TT&C.
| Field | null | Description |
|---|---|---|
| tc_id | no | unique, primary key, auto generated |
| satellite_id | no | ID of the satellite this tele-command channel belongs to |
| frequency | no | TC signal frequency, 3 digits precision (MHz) |
| polarization | no | integer coded transmit polarization |
| attenuation | no | an attenuation value to be set at the TC transmitter |
| default | no | boolean, true meaning this is the default beacon for this satellite |
| modified | no | automatically created timestamp of last change |