All satellite telemetry frequencies / channels known to this system. Every satellite may have one or more TM channels, but these are only required if the application deals with satellite TT&C.
| Field | null | Description |
|---|---|---|
| tm_id | no | unique, primary key, auto generated |
| satellite_id | no | ID of the satellite this telemetry channel belongs to |
| frequency_1 | no | primary receive frequency, 3 digits precision (MHz) |
| frequency_2 | no | secondary receive frequency, 3 digits precision (MHz) |
| polarization_1 | no | integer coded primary receive polarization |
| polarization_2 | no | integer coded secondary receive polarization |
| attenuation_1 | no | attenuation value to be set at the primary telemetry receiver |
| attenuation_2 | no | attenuation value to be set at the secondary telemetry receiver |
| default | no | boolean, true meaning this is the default beacon for this satellite |
| modified | no | automatically created timestamp of last change |