The SatDbTc data record contains the basic properties for one satellite in the satellite_tc database table. The fields in the SatDbTc data record are 1:1 replicas of the SQL database record. Please refer to the database model description at section Satellite Database how relations between tables are maintained using IDs.
There may be multiple telecommand channel definitions assigned to one satellite. These channels share the same satelliteId. One of these channels is the default TC channel, this and only this channels has the defaultTc flag set true.
Data Model
| Key | Type | Value |
|---|---|---|
| tcId | Number | unique, primary key, auto generated |
| satelliteId | Number | ID of the satellite this TC channel belongs to |
| frequency | Number | transmit frequency, floating point, MHz |
| polarization | String | this is an enumeration, may be one of "H", "V", "RHCP" or "LHCP" |
| defaultTc | Boolean | true means "this is the default TC channel for this satellite" |
| comment | String | free text describing the purpose of this channel |
| modified | String | timestamp, generated by database at creation / modification time |