AE6Y will be active again as P49Y from Aruba Island, IOTA SA - 036, in ARRL DX CW Contest, 18 - 19 February 2023. Many Thanks for the link James, explains it well, a useful chart that gives the scale. Any other suggestions how to troubleshoot this? Buddy WB4OMG. As others have said, the signal reports are based on the signal-to-noise. hihi I jest. A FT8 contact would be quite an undertaking. I am using Windows 10 with WSJT-X v2.5.3 with a USB connection to an iCom 7610 transceiver running 100w. Many Thanks for the link James, explains it well, a useful chart that gives the scale. Are you sure you wish to repost this message? But yet, you can clearly hear the musical Frequency Shift Key (FSK) tones and watch the FSK tones rise . The FT8 digital mode that Joe, K1JT, and company rolled out a little over a year ago has become a game changer in ham radio. Both are compromises, but my FT8 contacts in Antarctica, Fiji, Australia, NZ, Japan, etc don't know that. This letter is often printed on QSL cards between quotation marks (like "O" ) in order to clearly indicate that it's a letter O and not a zero. No Membership Fees. FT4 and FT8 are digital protocols designed for rapid and accurate communication between amateur radio stations, particularly in weak-signal conditions. Thats what I do. My receive is quiet enough I am giving +10 or higher reports by s2 on some bands. For more information regarding our Covid policies, please visit vintage faucet handles NP4Z Team will be active from Puerto Rico, IOTA NA - 099 in ARRL DX SSB Contest, 4 - 5 March 2023. If this is the case, then you probably have signal distortion in audio output. I know that others may run more than that, even for FT8, but probably not many. This is most easlly done by the PWR Slider. Show quoted text. FT8 is designed as an HFHigh Frequency (3-30 MHz) mode, but (as with any amateur radio mode) can also be used on VHFVery High Frequency (30-300 MHz)/UHFUltra High Frequency (300-3000 MHz) if desired. Examples of non-digital reports would be: By clicking Accept All, you consent to our use of cookies, however you can select "Cookie Settings" to control your consent. 4. ft8 signal reports explained If nothing else sticks from these Hinson tips, at least remember to shift-click. At this step, the message is converted to 00 00 00 23 44 4A 11 91 3F 8B 57 7E CF 78 77 39 55 DE 36 EF 01 48 data block. Your transmit and receive capabilities are not that much different. From there you will be able to pick one style. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. It is very easy to beat an EFHW at 35'. Questions? We are trying to coordinate the suggested frequencies in WSJT-X with updated band plans being considered by IARU, ARRL, and other amateur radio societies. All this, combined together, made FT8 so popular. As we can see, FT8 is quite an interesting protocol. Welcome to Reddit's own amateur (ham) radio club. timeout for worked markers. I'm using a TS-590S for FT-8 on a MyAntennas 4010-1k EFHW that's around 35'. Easy doesn't equate with bad. what is the federal supplemental tax rate for 2022. motorcraft battery cross reference chart; pda soccer team location; Menu Here is the generally accepted System: Basic rule: Higher Numbers are always better. Does anyone use a retevis rt95 I tried to join the Monday night net with my Get your Foundation Licence from home (click here), GB1BEL: JOTA 2022, Belchamps Activity Centre, Results from Watson Magitenna installed in loft, G0QQQ confirms signal report & replies with his own report. Is it because I'm only running around 1/2 power? It is one of the modes included in the open-source, weak signal, ham radio software package, WSJT-X. If the average recipient has a lot more noise than you, you will get a worse report on average. If you're getting a +5 SNR report then obviously dial it way back but when I do DX at 100 Watts it's usually -10 or less. Grayed-out cells are commonly-used frequencies which are not included in the default program settings of JS8Call or WSJT-X (FT8). These cookies will be stored in your browser only with your consent. I am not sure how easy it is to measure the output power at the SteppIR, but I could measure power at the bottom of the antenna. Just kind of looking for a FT-8 signal report sanity check. Lets try to figure it out. So, the signal reports dont make any sense. As you can see here, I decoded everything from -21 to +05 range on 80m using the WSJT-X Software. As a result, our CQ DL1ABC JO62 message will be converted to data block 00 00 00 23 44 4A 11 91 3F 88. These features can be selectively enabled to match band and signal conditions as well as the user's available CPU horsepower. It's a popular mode, so popular in fact that one report citing Club Log data recently showed that 80% of HF contacts in their tracking nowadays are FT8. It is popular among amateur radio operators for its ability to send signals despite challenging propagation conditions, high noise environments, low power operations (QRPIn amateur radio, QRP operation refers to transmitting at reduced power while attempting to maximize one's effective range. Most likely your noise level is much lower than the station(s) you are working but I have also noticed a difference in the reports I give out depending which radio/AGC setting I am using. Transmissions occur in 12.6s intervals (within the 15s transmit cycle window) until an entire message has completed transmitting. CleanTalkUsed to prevent spam on our comments and forms and acts as a complete anti-spam solution and firewall for this site. Examples: Does anyone else have this trend as well? You can also setup your WSJT-X and other digital software to send reports back so you can analyze your own receives over a period of time or assist others in analyzing propagation. You can test it by clapping your hands or sneezing while the FT8 transmission is ongoing, if you see something appearing in the waterfall on your monitor (as I did) then turn the MIC off. I've seen the same, that outlier station with a good receive setup or just weird propagation magic that copies you +12 while everyone else in that grid is coping you -10. Minutes for Sparkly markers. I got a + signal report back from one and a -18 or so back from the other. This anonymous data helps us to better understand users' needs and customize the website accordingly. You also have the option to opt-out of these cookies. Just to report that quarantine in between I was able to pump some hours into the long delayed FT8 transceiver based on a raspberry pi using the RPiTX package and now ft8_lib. When you get back a signal report from someone, it just tells you how loud you were on their setup at that particular time. Many ops can compensate with more power, but the problem with that is you quickly exceed your receive capabilities - people can hear you but you cant hear them. JS8 was created to allow the basic principles of FT8 to be applied to sending actual messages (instead of just the bare minimum QSO information that FT8 limits operators with). JS8Call turns FT8 into a "chat" mode, allowing stations . Overcrowding encourages some to turn on their amplifiers, which only makes things worse. Could a strong signal lower the gain so much that the weaker signal no longer decodes? DT: Calculated offset of the received signal from your local clock Values above .3 are not optimal. This signal is transmitted almost "as is" into the air, and the backward process of decoding is activated on the receiver side. Your antennas ability to direct that transmit power at the receiving station and. A C++ version of the encoder can be viewed at http://github.com/kgoba/ft8_lib page, the above code snippets were taken from it. These cookies track visitors across websites and collect information to provide customized ads. This website uses cookies to improve your experience while you navigate through the website. My antenna is a horrible piece of wire, their antenna is a multi-element yagi on a tower as high as the Babel one, but sometimes this work, take this one with Croatia, 1300km distance on 6m: What you have are good signal reports, I wouldn't change much. I noticed for a while that I can hear better than I am being heard. The interface will need to connect into the PCs soundcard (for audio) and typically USB for controlling the radio. Rules don't say anything about Grid Squares or FT8 signal reports. MOD input should only listen to you PC of course. That would help. I noticed for a while that I can hear better than I am being heard. This cookie, set by Cloudflare, is used to support Cloudflare Bot Management. I received services from the Prefet of the TAAF the new convention me allowing me to start my HF activities under the conditions set by the IPEV. Cleantalk set this cookie to detect spam and improve the website's security. The message length of 77 bits was chosen as a compromise between the transmission time (about 13 seconds, which is not so fast) and the information capacity the message could be made longer, but the transmit time should also be increased. All topics relating to the hobby are welcome here, from purchasing and building equipment, to operating techniques and activities, and everything in between. Despite this, according to the statistics, people definitely enjoy FT8 usage. Or,sometimes you could be overdriving and causing splatter due to distortion. According to Taylor, the important characteristics of FT8 are T/R sequence length: 15 s Message length: 75 bits + 12-bit CRC FEC code: (174,87) LDPC Modulation: 8-FSK, keying rate = 6.25 baud; tone spacing = 6.25 Hz Waveform: Continuous phase, constant envelope Occupied bandwidth: 50 Hz The other thing to keep in mind is that signal level is relative to the noise level around the signal. Heres the actual math behind the signal report if you want to deep dive into the concept: The noise floor is relative to the receiving station, however. With all features enabled, JTDX seems to decode more signals on a crowded band than WSJT-X. FT8 isn't a QRP mode. toggle quoted message Show quoted text Nice job. WARC Bands: What are They and How Can I Take Advantage of Them. It includes integration with PSK reporter. During contest and for DX Expeditions everyone is 59 for Phone (USB/LSB) ad 5NN for CW in order to expedite exchange. If you and your next door neighbor were running FT8 at the same time, with perfectly tuned and adjusted 30 watt rigs, you can be sure that you'd both be "splattering" all over the place. The two options require different actions. For details of this cookie, go to, Installed by Google Analytics, _gid cookie stores information on how visitors use a website, while also creating an analytics report of the website's performance. See tip 5 and others. Pretty fast I got a response that they already have enough articles about FT8 and a screenshot of their archive with articles like Using FT8 in DXpedition in Borneo. It's not a measure of your output. Antenna for 70cms is a 7 ele ZLspecial, fixed towards SE up at about 15 feet. Thats the basics. (Serial number sequencing for DX op's could be a challenge for those op's) The typical JT / FT8 signal report data would interchange nicely instead of RS (T) without any modifications. Image provided by ANgazu. 2023 Here is what FT8 signals looks like, displayed in the WSJT-X waterfall view: Youll see from the above waterfall screenshot that there are over a dozen QSOs visible these are all taking place on a single frequency of 14.074MHz. Different colors are different bands and minutes indicate the last time they heard and reported back automatically. That lets a massive amount of signal into the mixer. All topics relating to the hobby are welcome here, from purchasing and building equipment, to operating techniques and activities, and everything in between. Here's the actual math behind the signal report if you want to deep dive into the concept: The noise floor is relative to the receiving station, however. During this step, we transform the message into a tones sequence of different frequencies. canadian space agency; outlander claire tells jamie the truth; kendra place apartments gallatin, tn Hacking my Newair Humidor For Cigar Smokers, GOES Geosynchronous Weather Satellite Receiver, Building the SteppIR BigIR Mark IV Vertical Antenna, Configuring WSJT-X for W6TI (or other) Special Event Station Use, Automatic Transverter Selector for FlexRadio, Setting up GOES Weather Satellite Receiver on the Raspberry Pi, Setting up NOAA Weather Satellite Receiver on the Raspberry Pi, Getting Started with Ham Radio Award Hunting, 3B7M Saint Brandon Islands. Post author By ; Post date brandi redmond instagram; frida kahlo husband quote on ft8 signal reports explained on ft8 signal reports explained ft8 signal reports explained just mercy sinopsis maryland vacation payout at termination. Dumb question: if you get back a signal report of, say, +12, are you likely to be splattering or overdriving? To edit a paragraph's style, hit tab to get to the paragraph menu. There is no more attentive listening to the radio noise and fadings, getting a weak signal from the other side of the ocean. FT8 transmits and receives only the bare essentials needed to make an amateur radio contact (QSO): Exhange of callsigns, readability report, signal strength report, and "best regards" ("73"). I run QRP and most of the time the reports are like above, I put 5W into the antenna, they put 100+ (and some Italians would do multi-kW). Of course, before the mass appearance of personal computers in homes, probably no radio amateurs were thinking about transmitting and decoding digital data. Please review the new, If you are having a problem, please refer to the. PayPal or Coffee donations are always appreciated. This cookie, set by Microsoft, is used by the website to store the user's session ID and is sent with each request to the ASP.NET application. ), or even compromised antennas. Replied by G0CBOon topic FT8 Signal Reports Many Thanks for the link James, explains it well, a useful chart that gives the scale. Some operators do, some don't. No, I have just as much noise here as most others living in suburbia. by | Jun 10, 2022 | forsyth county newspaper | the center does not hold meaning | Jun 10, 2022 | forsyth county newspaper | the center does not hold meaning Good sensitivity allows using of FT8 with compact or even balcony antennas. joel meyers magician net worth. The test_cookie is set by doubleclick.net and is used to determine if the user's browser supports cookies. At the time of writing (Feb 2018), it appears to be the most popular for a number of reasons: As with modes such as JT65 and PSK31, you interface your HF rig to a computer, and send out text encoded by your computer over the amateur bands. FT8 is one of a group of Multiple Frequency-Shift Keying (MFSK) modes that include JT9, JT65 and MSK144 created by Joe Taylor, K1JT and co-developers. Functional cookie placed by CleanTalk Spam Protect to store referring IDs and prevent unauthorized spam from being sent from the website. FT8 is by nature < 50% duty cycle. The new topic will begin with this message. The frequency shift between tones is 6.25Hz, the tone duration is 0.16s. I wonder if raising the far end up any more would help? *** As an alternate, sometimes you will see: N8DXE KE8FMJ RRR KE8FMJ says Report Received, KE8FMJ N8DXE 73 N8DXE says Best Regards, N8DXE KE8FMJ 73 KE8FMJ says Best Regards. Subject of the new topic: On a trial basis, and in response to numerous suggestions from around the world, we have added a second set of suggested dial frequencies for FT8 on three HF bands and also on 6 meters. On Tue, Jan 4, 2022 at 7:15 AM John wrote: Are you sure you wish to delete this message from the message archives of main@WSJTX.groups.io? I feed the IQ output of my 7610 into HDSDR and then feed the audio out of HDSDR into WSJT-X through a virtual audio feed. Reddit and its partners use cookies and similar technologies to provide you with a better experience. So with these parameters in mind, I've noticed the majority of time I've operated FT-8, my sent signal reports are almost always higher than my reception reports. Here you will see that on my FT8 Transmit some decoded me as +13 and others closer as -3, this can be due to skip zones as well as different antenna setups, etc. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. The message length is 15s, and messages are transmitted via fixed time slots, which makes decoding easier. The fact that they align properly to the FT8 15-second period, and have 8 tones (the same as FT8) is a sign that these may be distorted FT8 signals, caused by AF harmonics in the transmitter or the receiver. I even run the attenuator on 40M. Contrary to a lot of angry comments, the stations running high power and getting +10 reports are actually only an S6 above the noise floor. Do not assume that many folks are running 100 watts or less. Create an account to follow your favorite communities and start taking part in conversations. wire FT8 transmissions can be decoded at S/N down to -21dB (very weak signal). ft8 signal reports explained. For example what is the equivalent in comparison to RST. It's not an absolute scale. FT8 was developed by Joe Taylor (K1JT) and Steve Franke (K9AN). Ham radio callsigns have a strictly defined format of letters and numbers, which also allows us to record them in a more compact form. You can find multitudes of contacts on these frequencies. New comments cannot be posted and votes cannot be cast. Lots of radio amateurs are using digital modes, by only connecting their transceiver to the PC, but most of them have absolutely no clue, of how it works. I always thought, its likely because of a quiet location, a good radio (6600M) and maybe others running more power. Google DoubleClick IDE cookies are used to store information about how the user uses the website to present them with relevant ads and according to the user profile. The following equations explain why FT8 signals start decoding at -26dB and everything else is below the noise floor: SNRFSKFT8 = SNRreportedFT8 + (10 x LOG (2500 Hz/6.250 Hz)), SNRFSKFT8= SNRreportedFT8 + (10 x LOG (400)). Online Investing Guide To buy more radios! Tail Ending QSO Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. To enable reporting, you need to enter the following information into the settings or preferences . 3,298 Stations <0 698 Stations >0. . This means your pre-amp is worse than theirs, or they're putting way more power into their antenna. I would think that is more than enough to get a decent signal report. I use theDimension 4for keeping my clock accurate. Conclusion. And strangely enough, this had its advantages the operator himself had to find the right frequency, evaluate the signal quality by ear, see the decoded characters on the screen, type the answer, and so on. FT8 is Weak Signal Mode FT8 80m Log. Hello, after years of saying I would never work FT8 I have finally taken the plunge and having a play. 15' on the transformer side and around 35' at the far end up in a tree. You all have seen it in social media and on the air. I don't run any preamp for FT8. Personally, I dont really understand the pleasure of almost completely automatic radio communications, but the FT8 is popular, so people use this. Finally, after the conversion, we get a sequence of the form 31406520 00000001 04531130 52105775 34623140 65267442 47514714 36372416 64750133 3140652 where each digit represents a tone number from 0 to 7. Free Training. This article was first sent to the german Funkamateur magazine. I like to keep things as up-to-date and as accurate as possible. There is just a PC screen, and the rest is done by algorithms and mathematics. Now, with FT8, I have real comparisons and can surely see a 5 - 10 db difference for most contacts. This ham radio digital mode appeared in 2017, and since then its popularity has only been growing. The Group moderators are responsible for maintaining their community and can address these issues. Here you will see that on my FT8 Transmit some decoded me as +13 and others closer as -3, this can be due to skip zones as well as different antenna setups, etc. What do all the characters mean? The above is an example of what you will find at the PSKreporter.info website where you can monitor your own transmissions and see where you are heard. FT8 handles very weak signals very well, meaning that a Foundation licence holder with just 10 watts should be able to make some impressive contacts with a modest antenna - something not possible with voice or some other data modes. But does everyone understand the nuances? I've contacted 2 people in the same city before one after another. Now, with FT8, I have real comparisons and can surely see a 5 - 10 db difference for most contacts. - Lucas / W6AER. Image source: https://www.amateurradio.com/over-2000-miles-on-80m-with-the-warbler/ (2010). Both FT8 and JS8 are heavily dependent on an accurate computer clock, since the modes send/receive information in a recurring, automated, 15s transmit/receive cycle. Good luck! I am running . There doesn't necessarily need to be a new operating class for Data modes, but that would be OK too. It's main advantage is that it allows low-power stations with marginal Let's say I call CQ and a few stations respond, the first being pretty weak (call 1st enabled). ie every 100 or 120Hz. People decoding you multiple times. Hello, after years of saying I would never work FT8 I have finally taken the plunge and having a play. You may navigate to these using the arrow keys inside of the editor and delete them with the delete or backspace key. All this, combined together, made FT8 so popular. This cookie is used for targeting and advertising purpose. IMO, focus on doing everything you can to improve your receive capabilities first with a focus on lowering your noise floor, then improve antenna transmit gain before adding power. For FT8 and many other digital modes (But not RTTY), the values are measured by the software and are expressed in dB such as -10 or +02 for example. FT8 transmits this minimum of information in a semi-automated fashion on its own time frame. The higher the better when it comes to decoding, but generally you do not want to come back as positive unless it is a nearby station as this indicates you are running way too much power. Each FT8 transmission can support up to 13 text characters, coded using forward error correction to ensure proper transmission and decoding despite common radio effects such as fading, interference or poor signal propagation conditions, or low power operation with compromised antennas in restricted urban spaces. Conventions may change with time or by user preference; you can modify the frequency table as desired." They are using a directional antenna, and you are using an omnidirectional antenna. Probably everyone who is at least a bit interested in amateur radio and telecommunications heard about the FT8 digital communication protocol. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. A computers onboard clock can be notorious for drifting off, and FT8 needs to transmit at very specific times to work. However, DX communications are actively performed using FT8. In log 80k QSOs.Problems with low bands. Free Help. (Sources: WSJT-X 2.1.0 Program default settings, DXZone, WSJT-X Documentation, JS8Call Documentation). How's the ALC meter looking, antenna gain or attenuation, RX bandwidth, etc. Quantserve sets the mc cookie to anonymously track user behaviour on the website. Its a really smart combination of bit optimization, mathematics and usability. Press J to jump to the feed. Consider a practical example the transmission of the phrase CQ DL1ABC JO62. I always thought, its likely because of a quiet location, a good radio (6600M) and maybe others running more power. Noticed that now when a QSO is logged, the upload to eQSL.cc no longer includes the signal reports added to the comment field of the eQSL record (like FT8 Sent: -19 Rcvd: -07). Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. Darkness for night shadow (0-1) Show all Show LoTW/eQSL Show LoTW Show eSQL. What says you are have a problem are things like. YouTube sets this cookie via embedded youtube-videos and registers anonymous statistical data. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Watch the following two sites for your call as well. Free Content. Antenna for 70cms is a 7 ele ZLspecial, fixed towards SE up at about 15 feet. It is an ICOM feature, not a bug. The cookies is used to store the user consent for the cookies in the category "Necessary". Having the sequence shown above, we can easily generate a WAV file or directly control the frequency synthesizer in the case of an autonomous beacon. the QSO record in ACL log does contain the signal report . It's only used to exchange signal reports, so there's no chatting. Operators may or may not be aware of the noise they're creating on the band's, but the result of that noise is is qrm for the others trying to operate on the same band . I consistently get low signal reports for FT8 contacts, typically 15db less than what I send as a received signal. The majority of DX stations have voted in favor of it. I forgot how the software handles the ratio. FT8 is four times faster (15-second T/R sequences) and less sensitive by a few dB. This is measurable to some extent by the signal reports on FT8. This cookie can only be read from the domain they are set on and will not track any data while browsing through other sites. From my playing I think this one is alc related. Hello, after years of saying I would never work FT8 I have finally taken the plunge and having a play. It is popular among amateur radio operators for its ability to send and receive messages despite challenging propagation conditions, high noise environments, low power operations ( QRP ), or even compromised antennas. There are several types of interface available, depending on your rig. Necessary cookies are absolutely essential for the website to function properly. 73 Cliff W3KKO. More then 2 seconds difference, no decode! Remember this is a S/N report,not a power level report. For details of this cookie, go to. shift/alt/control keys and clicks are handily explained on the screen by pressing F5 to ^Display special mouse commands _ (commands for special mice): 3. The _ga cookie, installed by Google Analytics, calculates visitor, session and campaign data and also keeps track of site usage for the site's analytics report. Also, JTDX, which many of us use because it often decodes weak signals that WSJT-X misses, uses a different algorithm for computing that report (usually many dB lower). I now have a new Windows 10 computer, loaded with the latest versions of WSJT-X (v2.2.2) and JTAlert (v2.16.17). The full coax length of LMR400 is about 160 feet long (to the tower and up). With a SignaLink, it is always best to go back and follow the setup instructions EXACTLY. Essex Ham is dedicated to supporting Amateur Radio. JS8 is a variant of FT8 which allows operators to send more information and converse with each other. Its hard to argue with that, but I hope that there are still not only radio operators but also engineers who are interested in how these things really work. I never run more than 5 watts and usually 1 watt or less. Image source: www.qsl.net/w1dyj/FT8%20for%20web.pdf. The DT in the window of the software shows TIME DIFFERENCE. For details of this cookie, go to. If band is open pulls in FT8 quite well, forums.qrz.com/index.php?threads/the-skignal-reports.591508/. From a psychological point of view, the FT8 mode is also interesting to analyze. FT8 and Ghost Decodes. Basically anything can be proven and figured out,, but the variables are enormous.. The data being gathered also includes more than just PSK spots, it include JT65 and FT8 -- with FT8 the overwhelming majority at the moment. Professor Steven Franke and astrophysicist and Nobel laureate Joseph Taylor, have created a fascinating and efficient protocol for data transfer. For details of this cookie, go to. The simple fact is that they probably have a better antenna than you and yes, they may be running more power, but that won't make too much difference. Don't you dare speak ill of my compromise antenna, at a compromise height, at a compromise location. Heres what Im using: As with all data modes software, setup requires some setting up, notably: Your computers clock does have to be spot on with FT8. Any suggestions on what the problem might be?
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