Editing SimTX API/Packets/StationList (section)

=== LiveSession ===
<syntaxhighlight lang="protobuf">
message LiveSession {
  bytes session_id = 1;
  SessionRole role = 2;
  bytes antenna_id = 3;
  string callsign = 4;
  double frequency_hz = 5;
  string modulation = 6;       // string enum (common.proto); empty for receivers
  float power_watts = 7;
  float bandwidth_hz = 8;
  string address = 9;          // moderation sessions only
  GeoPoint location = 10;      // where the session's antenna is right now
}
</syntaxhighlight>
{| class="wikitable"
! # !! Field !! Type !! Description
|-
| 1 || <code>session_id</code> || <code>bytes</code> || 16-byte session id, as in the session's [[SimTX API/Packets/SessionStatus|SessionStatus]].
|-
| 2 || <code>role</code> || [[SimTX API/Data types#SessionRole|SessionRole]] || <code>SESSION_ROLE_TX</code> or <code>SESSION_ROLE_RX</code>.
|-
| 3 || <code>antenna_id</code> || <code>bytes</code> || 16-byte UUID of the station antenna in use. Empty for ad-hoc sessions.
|-
| 4 || <code>callsign</code> || <code>string</code> || Callsign of the session.
|-
| 5 || <code>frequency_hz</code> || <code>double</code> || Transmitter: carrier frequency. Receiver: centre frequency.
|-
| 6 || <code>modulation</code> || <code>string</code> || Transmitter: [[SimTX API/Data types#Modulation|Modulation]] name. Empty for receivers.
|-
| 7 || <code>power_watts</code> || <code>float</code> || Transmitter: requested power. Receiver: 0.
|-
| 8 || <code>bandwidth_hz</code> || <code>float</code> || Transmitter: occupied bandwidth as measured by the server. Receiver: filter bandwidth.
|-
| 9 || <code>address</code> || <code>string</code> || Client address. Moderation sessions only; empty on control sessions.
|-
| 10 || <code>location</code> || [[SimTX API/Data types#GeoPoint|GeoPoint]] || Where the session's antenna is now. For a satellite, the sub-satellite point, which moves.
|}