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Feel free to make comments about unidentified signals that you might know or anything else here.


Anonymous user #1

903 days ago
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Does ship radar penetrate houses 10 miles away?

Arclamp

744 days ago
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yeah it probs would

Anonymous user #2

895 days ago
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i need to know this mode , thanks guys

Anonymous user #3

831 days ago
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Just discovered this site. It is a fascinating topic of how we communicate efficiently, reliably and securely. I will be exploring the site very much. Very interesting. Thanks. 2020 August 17th 10:57 UTC

Anonymous user #4

818 days ago
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Genuinely awesome site, both in organization and content. Will take the mystery out of the odd collection of signals that have puzzled me for years when exploring the bands. Many thanks for your efforts!

G8BQR

741 days ago
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A very useful Database, many thanks.

I would like to see a Category for Electromagnetic Interference (EMIElectromagnetic interference / RFIa specific subset of electrical noise on the Electromagnetic interference (EMI) spectrum) signals added, please.

Such as HDMI (already in the database), switched mode power supply (a representative sample, or 2), Ethernet, central heating Boiler(Gas), TV emissions (LO, harmonics, etc), and so on.

It would make the identification of interference sources in my house a lot easier :-) Once I can work out how to do it I can provide samples, mostly unidentified as yet :-(

Regards, Ed

Arclamp

172 days ago
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not the topic of this website

Secops

734 days ago
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Hello, I've captured a a new signal - at least to me it is - on UHFUltra High Frequency (300-3000 MHz). This was present for several days and has since disappeared. Please refer to this link at Vimeo for a sample. You may have to increase the volume. I'd like to get anyones thoughts on this.

https://vimeo.com/481448275

Thanks!

Arclamp

677 days ago
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Not new just a channel marker

Anonymous user #5

634 days ago
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been hearing a narrow data signal on 6.780MHz for a few weeks. any idea. its mostly heard in north america. also, after dark in north america, 4.096 or so has a narow data transmission that sounds similar to a low pitch dolphin

WAW

634 days ago
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Do you have a recording?

Tinkell

634 days ago
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6780kHz definitely needs a sample/pic and more information.

4095.7kHz is the Desert Whooper. https://twit...704567304208

MikeAgner

555 days ago
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Please mark WLO in the marine section in red. That station has been gone for years. In the military section, MIL-STD-188-110 Appendix A should be in green. While the US has moved from this mode, other countries are still using it. In addition, it's used during Armed Forces Day in the US

WAW

555 days ago
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There are still many station like WLO, with the FSKFrequency-Shift Keying idling and 3 letter morse ID. I think it should be renamed, but I am not sure what it should be called

Tinkell

555 days ago
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Ya, we've been meaning to fix this for quite a while. I will bump it up in priority.

MikeAgner

555 days ago
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There are still a few maritime stations that use SITOR-A but their days are numbered. The others have gone to PACTOR

MikeAgner

539 days ago
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You can mark ARQAutomatic Repeat reQuestAutomatic Repeat Query-E(3) as dead. It hasn't been noted in years.

Anonymous user #6

404 days ago
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2021-07-07 22:09:57 ?? satellite maybe? Answer: its a radio/ signal/ or internet or phone signal antenna it's signal sounds like that I know that because I live near 4 antennas and they have the same exact sound only the pitch sometimes change.

Yalek W

255 days ago
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Hi guys. Since I havent been able to leave a comment here, im going to do so in a more formal fashion.

Just as a fair warning to all who are paerticipating here, I will be adding on to the main page to provide some policies that I have been trying to get on here with Cartoonman's permission through the use of the trello I have up, that will be tailored at how we need to ensure this wiki's validation at sources, and its pages. This is very big because this will help clear out a lot of junk that has been left behind. For example, I will be spending more time this week, hopefully, moving unid signals to the ID's section, ID signals to the UNID section. Some pages ive seeen are very misleading, or were never formed. So it would be best if that happened.

Not only this, but there will also be additional policies targeted on how you should post signals.

Anonymous user #7

155 days ago
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dude you were literally banned from all the servers... you aren't implementing nothing.... literally look at https://www....i/User:Mbeam

Anonymous user #8

213 days ago
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Hey guys is there any way I can join the discord server?, I recently sent an email to join the discord server and I haven't received a response, what should I do?

Anonymous user #9

184 days ago
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ON RECENTLY ADDED SIGNALS 2022-03-26 06:44:29 "POWER LINE OVER INTERNET".

SHOULD BE "INTERNET OVER POWER LINE", OOPS.

Anonymous user #9

184 days ago
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NOW MY BAD, SHOULD HAVE SAID "ETHERNET" NOT INTERNET. OOPS OOPS.

Anonymous user #10

159 days ago
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Does anyone have Signals Analyzer (Signals Analyzer 6.2.6.7) download link?

Anonymous user #11

148 days ago
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h

Anonymous user #12

107 days ago
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Has anyone identified Inmarsat's Fleet Broadband or Fleet Xpress transmission set up yet? Even any info regarding the withdrawn Fleet 77 service, Sat A and B are obviously now long gone.

My preference is it all should have stopped with W/T on 500 kHzKiloHertz (kHz) 10^3 Hz but progress is inevitable I suppose!

Anonymous user #13

79 days ago
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Q: - I am trying to decode some audio from a game. It looks a lot like it is a modulated ( I worked with radio at one point) structured signal. -- Anyone have recomendations on simple Analysis software (like a spec an and/or demod decoder) that would be easy to use with a soundcard? I dont have an SDR dongle but I guess I could buy one.
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