Signal Identification Guide

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This wiki is intended to help identify radio signals through example sounds and waterfall images. Most signals are received and recorded using a software defined radio such as the RTL-SDR, Airspy, SDRPlay, HackRF, BladeRF, Funcube Dongle, USRP or others.

Editing: Anyone can edit this wiki, so if you see missing or wrong information please feel free to correct it by clicking the 'edit with form' button at the stop of the signals page. When doing an edit, if you are not logged in as a user, you will be asked to answer a very simple spam prevention question which will appear at the top of the screen after clicking on Save page. If you are not experienced with editing Wiki Markup, refer to this reference card, Quick Guide of editing pages, or just email the requested changes at sigidwiki_AT_gmail_DOT_com.

Discussion: You can also discuss the signals by using the discussion tab at the top of every page, or just by using the comments box at the bottom of this page (note that the comments section will be periodically pruned to reduce its length).


We now have a Discord server up for people who would like to chat about signals as well. To join you must send an email to sigidwiki_AT_gmail_DOT_com for an invite to the server.

Addsignal.png 1200x630bb.jpg Databases alt clean v2.png


Software
Artemis3.png

Artemis 3

Check out Artemis 3, the main companion app to this guide! Artemis 3 gives you all known reference signals in an easy to access offline format, with improved sorting and filters and offline audio samples and waterfalls.



Frequency bands.png

VLF.png

15
LF.png

25
MF.png

33
HF.png

212
VHF.png

115
UHF.png

144

Testing.png

AllSignals.png Unid.png
Military.png Radar.png Active.png Inactive.png Amateur.png Commercial.png
Aviation.png Marine.png Analogue.png Digital.png Trunked.png Utility.png
Satellite.png Navigation.png Interfering.png Requested.png Numbers.png Time.png

Stats


Identified Signals in Database: 409
Unidentified Signals to be Identified: 311
Requested Signals: 60


Recently Added Signals Recently Updated Signals
Recently Added Unidentified Signals Recently Updated Unidentified Signals


Comments

General comments may be left at the Comments page.