What is it ?

LotAtc can create and send vocal ATIS using DCS:SRS TTS function.


  • Have DCS:SRS installed on the same machine than LotAtc server (not necessary the SRS server)
  • LotAtc Server configured with
    • srs_use_tts to true
    • srs_path to the SRS installation path
    • srs_server to the SRS server ( by default)
    • srs_server_port to the SRS server port (5002 by default)


How to setup an ATIS for an airport

In LotAtc Client, once connected :

  1. Click on the airport
  2. In its properties panel, click on the ATIS part
  3. Select the information desired
  4. Add/edit/delete frequencies that will be used to play the ATIS (by default, it is the DCS airport frequencies)
  5. Click on the Create ATIS switch

It could take some seconds to hear the ATIS, time to transfer, prepare the audio and diffusion.

To stop it, just uncheck the Create ATIS switch, it will terminate the current loop and stop it.


ATIS from mission script

You need to have LotAtc Link enabled on the server side

lotatcLink.registerAtis(coalition, airport_name, enabled, information, freqs, runway_code )
-- Enable ATIS on Senaki    
lotatcLink.registerAtis("blue","Senaki-Kolkhi", true, "Charlie", "132.000AM", "09")

-- Disble ATIS on Senaki
lotatcLink.registerAtis("blue","Senaki-Kolkhi", false, "Charlie","132.000AM", "09")


On mission start, weather values are coming from .miz files, if you wait 30~60s after mission start before calling this API, LotAtc will have updated values using LotAtc Link and weather will be more precise.

ATIS Template

You can change the text used for ATIS by adding your own templates.

ATIS Templates are located on the server side

To do so, the default file provided can be found in one of this paths:

  1. C:\Program Files\LotAtc\server\x.x\Mods\services\LotAtc\userdb\atis\default.json (adapt with your install path and the version used)
  2. Saved games\<your DCS>\Mods\services\LotAtc\userdb\atis\default.json

You can copy it to your C:\Users\<your name>\LotAtc Data\Server\atis\ or Saved games\<your DCS>\LotAtc Data\userdb\atis\ (create the folder if not exists) on the SERVER SIDE.

Then you can edit it.

Once done, restart the mission as templates files are only read on mission restart. It will certainly evolve in the future.

    "enable": true,
    "atis": [
        "This is %(name) arrival information %(information) recorded at %(time) locale.",
        "Main landing runway %(runway).",
        "Transition level 50.",
        "%(wind_dir) degrees, %(wind_speed_imp) %(unit_speed_imp).",
        "Visibility %(visibility_imp) %(unit_distance_imp).",
        "Temperature %(temperature).",
        "QNH %(qnh) hectopascal.",
        "Contact Approach and Arrival callsign only.",
        "End of information %(information)."

Atis options

Id Default Description
enable true Active (if several are active, first one is used)
gender auto Gender use (male, female, auto)
culture en-GB Culture used for Text To Speech (see SRS TTS options)


Id Description
name Airport name
time Time of last weather report
information ATIS Information
comment Additional text
runway Current runway
wind_dir Wind direction
wind_speed_imp Wind speed in imperial
wind_speed_met Wind speed in metric
temperature Temperature
temperature_fahrenheit Temperature in Fahrenheit
qnh QNH
qnh_mbar QNH in mmBar
qnh_inhg QNH in inHG
qfe QFE
qfe_mbar QFE in mmBar
qfe_inhg QFE in inHG
visibility_imp Visibility in imperial unit
visibility_met Visibility in metric unit
unit_distance_imp Unit distance in imperial
unit_distance_met Unit distance in metric
unit_speed_imp Unit speed in imperial
unit_speed_met Unit speed in metric