What does the 'R' in SDR stand for?
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Using this form, you can submit a new signal entry to the Identified Signals Database. There are a number of things to keep in mind:
The title should be clear and proper. Signals known by an acronym like DMR and ATSC should have the full name first, followed by the acronym in parenthesis. For example: High Frequency Data Link (HFDL).
This will be the preview waterfall image that will display on the database as well as the Artemis software. We strongly advise that you follow these key rules:
List the frequencies that the signal can be found at here. If it's a signal that does not have a well-defined list of frequencies, or it has a massive list of defined frequencies, just list the lower and upper bounds of the frequency range or ranges, each frequency separated by a comma. For example, for a signal found at 160MHz and in the band 460MHz-480MHz and 830MHz-860MHz, I would list the frequencies as (160 MHzMegaHertz (MHz) 10^6 Hz, 460 MHzMegaHertz (MHz) 10^6 Hz, 480 MHzMegaHertz (MHz) 10^6 Hz, 830 MHzMegaHertz (MHz) 10^6 Hz, 860 MHzMegaHertz (MHz) 10^6 Hz). You can define these ranges in more specificity in the Frequencies section of the Long Description below.
These modes follow the SDRSharp naming convention for simplicity. NFMNarrowband Frequency Modulation = Narrowband FMFrequency Modulation. Any FMFrequency Modulation-modulated signal besides FMFrequency Modulation-Radio should be received in Narrowband FMFrequency Modulation. USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables) = Upper Side Band Modulation, this is the default for signals recorded on HFHigh Frequency (3-30 MHz), or otherwise non-DSBDual Side Band Modulation (Dual Side Band) or AMAmplitude Modulation (Amplitude Modulation) signals. For any other signal that is either too wide or unlistenable using the other modes, use RAW.
List the type of modulation or modulations the signal is known to use. This is considered separate from Mode in that baseband modulation is what is being considered here, such as FSKFrequency-Shift Keying (Frequency Shift-Keying) and PSKPhase-Shift Keying (Phase-Shift Keying). For variants of primary modulation methods, you don't have to write things like 8-PSK8-Phase Phase-Shift Keying (3 bits per symbol) or QPSKQuadrature Phase-Shift Keying (2 bits per symbol), PSKPhase-Shift Keying is enough. Denote the specific modulation method in the Long Description below.
Do your best to figure out the best fit for the bandwidth of a signal. If the signal seems to fit tightly at 1968 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz)., 2000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). is a good number to choose for the bandwidth. It is known that bandwidth will be affected by the strength of the signal, so try to list an average or ideal reception bandwidth that will be more or less within the range of error for significantly weak or stronger receptions of the signal. If the signal has multiple modes that come with multiple bandwidths, list them with commas.
The location field is for where the signal originates or is transmitted from. Do NOT solely list where you heard the signal from. For example, the Japanese Slot Machine (XSL) originates from Japan, so the location is listed as such, even if it's received in Australia. For signals from mobile commercial products like data modems or trunked radio, it will usually cover at least a national, continental, or global area, but further research is required to verify that. No more specific than country is required for this field.
IMPORTANT: This file MUST be an .mp3 file. NO WAV's! Use MP3Cut.net to convert your wav file as well as trim it to the part you want to upload. Preferably keep this file size below 1 MB. For any sound samples above 1 MB, you may include those in the Long Description. This recording should match the mode in which the signal is optimally received (an FMFrequency Modulation-modulated FSKFrequency-Shift Keying signal recorded with NFMNarrowband Frequency Modulation, not USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables))
This is an optional but very beneficial thing to add to a submission, especially for non-USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables) signals. The IQQuadrature signals form the basis of complex RF signal modulation and demodulation, both in hardware and in software, as well as in complex signal analysis. can be recorded using SDRSharp and using RAW and recording the 'audio', which actually makes an IQQuadrature signals form the basis of complex RF signal modulation and demodulation, both in hardware and in software, as well as in complex signal analysis. file of only the area you selected with RAW, saving a lot of file size space. If the IQQuadrature signals form the basis of complex RF signal modulation and demodulation, both in hardware and in software, as well as in complex signal analysis. file zip is too large, upload to a filehosting site like Mega.nz and link the IQQuadrature signals form the basis of complex RF signal modulation and demodulation, both in hardware and in software, as well as in complex signal analysis. file in the Long Description.
Usually no more than two lines briefly summarizing or introducing the signal and it's main purpose and use. Usually the first two lines of the Long Description description anyway. Avoid using any crazy symbols or characters here.
List the Categories your signal falls into, separated by commas for more than one category. You can find the list of established categories here.
'''NOTE: PLEASE TYPE A LONGER DESCRIPTION HERE IF NEEDED OTHERWISE JUST DELETE. IF THERE IS NOTHING TO ADD OR YOU DON'T REQUIRE ALL SECTIONS, JUST DELETE THE TEXT.
== Samples ==
== Frequencies ==
PUT EXTRA DESCRIPTIONS ON THE FREQUENCIES USED HERE.
== Decoding Software ==
[http://DECODING_SOFTWARE.com/ SOFTWARE NAME]
== Decoding Tutorials ==
[http://www.DECODING_TUTORIAL.COM TUTORIAL TITLE]
== Video Examples ==
*[https://www.youtube.com/YOUTUBE_LINK Youtube Video Title Here]
== Additional Links ==
*[https://www.wikipedia.org/ Wikipedia Example]
== Additional Images ==
Image:33233.png|More Description and maybe a sound sample <html5media width="300">File:Unknown_28597.mp3</html5media>