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<span style="font-size:180%;">SimTX Wiki</span>
<span style="font-size:180%;">SimTX Wiki</span>


'''SimTX is a shared radio simulation.''' Set up a virtual transmitter, send audio, and listen with a receiver. No physical radio or antenna is needed. Distance, antennas, and radio conditions affect what listeners hear.
'''SimTX is a shared radio simulation.''' You set up virtual stations, transmit audio and listen with an SDR program. Distance, antennas and radio conditions change what listeners hear.


<span style="font-size:125%;">'''[[Getting Started|Download SimTX and make your first transmission]]'''</span>
</div>


The illustrated guide covers installation, account sign-in, server selection, a working example, listening, and saving your settings.
== Getting started ==
</div>
'''[[Getting Started]]''': install the app, sign in, create a station, transmit and listen.
 
== User guides ==
* '''[[SimTX Guide/Transmitting|Transmitting]]''' and '''[[SimTX Guide/Receiving|Receiving]]''': the Transmit and Receive tabs.
* '''[[SimTX Guide/Stations|Stations]]''': your stations, antennas and radios.
* '''[[SimTX Guide/Satellites|Satellites]]''': launch a satellite, follow its passes and deorbit it.
* '''[[SimTX Guide/Rotators and tracking|Rotators and tracking]]''': turn an antenna or follow a satellite.
* '''[[SimTX Guide/Map and coverage|Map and coverage]]''': the globe, station lists and coverage maps.
* '''[[SimTX Guide/Catalog and add-ons|Catalog and add-ons]]''', '''[[SimTX Guide/Health|Health]]''', '''[[SimTX Guide/Settings and shortcuts|Settings and shortcuts]]''' and '''[[SimTX Guide/Troubleshooting|Troubleshooting]]'''.
* '''[[CLI]]''': CLI documentation, for integrations.
 
All guides are listed on [[SimTX Guide]].
 
== For developers ==
The [[SimTX API]] reference documents the account service and the game protocol, message by message. Start with the [[SimTX API/Quick start|quick start]].


== Learn in order ==
== Learn in order ==
# '''[[Getting Started|Download and transmit]]''': follow one complete example from an empty desktop to your first TX session.
# '''[[SimTX Guide/Transmitting|Find your way around]]''': the Transmit tab's controls and meters. The Java transmitter's window is described on [[Transmitter Interface]].
# '''[[Transmitter Interface|Find your way around]]''': identify the controls and understand the meters.
# '''[[Transmission Sources|Choose what to send]]''': play a file, use a microphone, or send a stream.
# '''[[Transmission Sources|Choose what to send]]''': play a file, use a microphone, or send a stream.
# '''[[Antenna System|Change frequency and coverage]]''': choose and adjust an antenna, then learn [[Propagation Basics|why reception changes]].
# '''[[Antenna System|Change frequency and coverage]]''': choose and adjust an antenna, then learn [[Propagation Basics|why reception changes]].
# '''[[Lua extensions|Add features]]''': install modes, audio processors, tools, and themes without writing code.
# '''[[Lua extensions|Add features]]''': install modes, audio processors, tools, and themes without writing code.
# [[How to receive|Start to receiving]]: receiving signals and stations using any SDR app.
# '''[[How to receive|Receive]]''': listen with any [[wikipedia:Software-defined_radio|SDR]] program.


[[File:SimTX-0.3.6-first-transmission-guide-clean.png|thumb|center|850px|alt=Annotated SimTX Transmitter window showing station settings, radio settings, audio source, antenna, Start TX, and session controls.|The transmitter window. The guide explains each marked area.]]
[[File:SimTX Transmitter desktop app.png|thumb|center|850px|alt=SimTX desktop app window on the Stations tab: a globe of Europe and Africa with Demo hilltop, an orange TX beam at 300°, a blue RX beam at 180°, dashed lines to satellites, orbit rings, and the station's details in the sidebar.|The SimTX desktop app on the Stations tab, with a station on air, its beam headings and the satellites in view.]]


== Find a specific answer ==
== Find a specific answer ==
* '''Nothing happens or no sound?''' Use [[Troubleshooting]].
* '''Nothing happens or no sound?''' See [[SimTX Guide/Troubleshooting|Troubleshooting]], or [[Troubleshooting]] for the Java transmitter.
* '''Which radio mode should I choose?''' See [[Modulation Modes]].
* '''Which radio mode should I choose?''' See [[Modulation Modes]].
* '''How do I save or share my station setup?''' See [[Station Configuration]] and [[Extension catalog]].
* '''How do I save or share my station setup?''' See [[SimTX Guide/Stations|Stations]] and [[Extension catalog]]. For the Java transmitter, see [[Station Configuration]].
* '''What do SWR, bandwidth, and IQ mean?''' See [[Radio terms]].
* '''What do SWR, bandwidth, and IQ mean?''' See [[Radio terms]].
* '''Looking for formulas or an API?''' Open the [[Documentation|complete documentation index]], including antenna calculations and every Lua API reference.
* '''Looking for formulas or the Lua API?''' See the [[Documentation|documentation index]].


== Community and other ways to use SimTX ==
== Community and other ways to use SimTX ==
* [[:Category:Radio Stations|Community radio stations]]: stations described by their operators.
* [[:Category:Radio Stations|Community radio stations]]: stations described by their operators.
* [[Guide to setting up sdr console with simtx|SDR Console]], [[DATV RX Tutorial|digital television reception]], [[DATV TX Tutorial|digital television transmission]], [[How to receive]] and [[DRM TX tutorial|DRM transmission]]: additional community guides.
* [[Guide to setting up sdr console with simtx|SDR Console]], [[DATV RX Tutorial|digital television reception]], [[DATV TX Tutorial|digital television transmission]], [[How to receive]] and [[DRM TX tutorial|DRM transmission]]: additional community guides.
* [https://simtx.net/downloads Download the transmitter] · [https://simtx.net SimTX website] · [https://discord.gg/BxtpFJAs6c SimTX Discord]
* [[Getting Started#1. Install the app|Download the desktop app]]
* [https://simtx.net/downloads Download the Java transmitter]
* [https://simtx.net SimTX website]
* [https://discord.gg/BxtpFJAs6c SimTX Discord]

Latest revision as of 21:33, 25 October 2026

SimTX Wiki

SimTX is a shared radio simulation. You set up virtual stations, transmit audio and listen with an SDR program. Distance, antennas and radio conditions change what listeners hear.

Getting started

Getting Started: install the app, sign in, create a station, transmit and listen.

User guides

All guides are listed on SimTX Guide.

For developers

The SimTX API reference documents the account service and the game protocol, message by message. Start with the quick start.

Learn in order

  1. Find your way around: the Transmit tab's controls and meters. The Java transmitter's window is described on Transmitter Interface.
  2. Choose what to send: play a file, use a microphone, or send a stream.
  3. Change frequency and coverage: choose and adjust an antenna, then learn why reception changes.
  4. Add features: install modes, audio processors, tools, and themes without writing code.
  5. Receive: listen with any SDR program.
SimTX desktop app window on the Stations tab: a globe of Europe and Africa with Demo hilltop, an orange TX beam at 300°, a blue RX beam at 180°, dashed lines to satellites, orbit rings, and the station's details in the sidebar.
The SimTX desktop app on the Stations tab, with a station on air, its beam headings and the satellites in view.

Find a specific answer

Community and other ways to use SimTX

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