The software is called wsjtx and is created by the inventor of the jt9 and jt65 mode, k1jt, and a number of engaged radio amateurs in an open source project. Download free jtdx jt9 and jt65 modes for lf mf and hf. Download wsjtx another great package for jt65, jt9, and jt4. Typical applications include meteor scatter, eme moonbounce, and qrp communication at hf. Jt9 is about 2 db more sensitive than jt65a while using less than 10% of the bandwidth. In january i found this new digital mode called jt65, so far i have used it on 10 meters through 40 meters and listened on 6 meters and 80 meters. The download is provided as is, with no modifications or changes made on our side. Digital mode software jt65hfhb9hqxedition a popular package for using the jt65 protocol. Joe taylor, k1jt, announced on june 29, 2017 the availability of a new mode in the wsjtx software, ft8. The program was initially written by joe taylor, k1jt, but is now open source and is developed by a small team. As with jt65, it was created by k1jt as development of jt65 for use on the lfmf and hf bands. Jt9 is about 2 db the decibel db is a logarithmic unit used to express the ratio of two values of a physical quantity, here the strength of a received signal. Jt65 hf jt65a hf frequencies frequency information. Now you are ready to download the software and configure it for your own setup callsign, maidenhead grid, etc.
However, at least when using jt65, there have been times where 100 watts was what was needed to complete the qso over the path i attempted. These modes were all designed for making reliable, confirmed qsos under extreme weaksignal conditions. The 8 denotes modes 8frequency shift keying format. This site describes the use of hf frequencies for jt65a. Wouxonxiegu cat control and digital mode interfaces to use software such as ham radio deluxe, fldigi, wsjtx to operate psk31, ft8, jt9, jt65, echolink and many other afsk modes we offer a range of interfaces to ensure maximum compatibility with modern and older pcs and digimode software.
What started as a digital mode for eme in the vhf and uhf bands, now also have conquered the. Jt9 also has versions designed for longer transmission intervals of 2 minutes, 5 minutes, 10 minutes or 30 minutes. We offer a range of interfaces to ensure maximum compatibility with modern and older pcs and digimode software. The wsjt project currently includes five programs designed for amateur radio communication using state of the art digital techniques. For the time being, there is only one software who supports the jt9 mode. Jtdx means jt,t10 and ft8 and ft4 modes for dxing, it is being developed with main focus on the sensitivity and decoding efficiency, both, in overcrowded and half empty hf band conditions.
Ft8, mks144, jt65 or jt9 are all fun and i am sure we will jump into ft4 real. In recent months my ability to work dx on the hf bands has been utterly transformed thanks to some exciting new software for the jt65jt9 weak signal data modes i have a very modest hf station now due to living in a conservation area with antenna restrictions and can only use a stealth antenna comprising of an exarmy camouflaged 280. Steve k9an and joe k1jt have developed a potential new mode for wsjtx. Check the wsjtx page and links therein for details about modes ft8, jt4, jt9, jt65, qra64, iscat, msk144, and wspr. Ft8 is good practice for msk144 if you are going to try and work the perseid meteor shower next month as the modes have the same timing, use auto sequence, etc. If youre new to the various software packages created by joe taylor, k1jt, they are all based the idea of having a qso using low power. Aug 08, 2015 think of this mode as fsk441 slowed down to 315 baud. Jul 20, 2017 ft8 the latest data mode posted on july 20, 2017 by g6nhu ive posted a lot about the low power, low signal modes, jt65 and jt9 in the past and now theres a new kid on the block. Jt9 is a very narrow 9fsk frequencyshift keying mode for making contact qsos under extreme weaksignal conditions. Hfpacket and uhfpacket ax25 are supported in kisstnc emulation mode.
A majority of new program features involve the ft8 and msk144. Jt65jt9 data mode software for hf amateur radio weblog by. The digital signal processing techniques in wsjt make it substantially easier for amateur radio operators to employ esoteric propagation modes, such as high speed meteor scatter. Jt9 is a new joe taylor, k1jt digital mode that is becoming more and more. Fsq fsq, or fast simple qso, is a mode recently developed for short, sentencebased chats on the hf amateur bands. You can arrange the various windows of the software as you wish. Ft8, the new hf6m digital mode, introduction for beginners. Welcome to my personal page,website about radio amateur digital modes since 1999. The table below shows the currently used frequencies for jt9 on hf and 6m. Within each interval, the waveform is a constantamplitude sinusoid at one of 65 predefined frequencies, and frequency changes between intervals are accomplished in a phasecontinuous manner.
We offer a large range of interfaces to ensure maximum compatibility with modern and older pcs and digimode software. Bill and a few others have been experimenting with fsk315 and also iscata on 10 meters, under deadband conditions, using. Unlike jt65 or jt9, transmit and receive cycles in ft8 each last about 15 seconds. This group is about having fun with those applications. The author labled this mode as a 9fsk modulation so this is why it is under fsk fec in jt9 uses the same strong convolutional code as jt4. Whatever you call em, jt65 has become one of the most popular digital modes second only to psk. They are both using the 48 second transmission period, decoder and time sensitivity but there are some differences. Jt65 digital mode software category is a curation of 9 web resources on, wsjtx, jt65hfcomfort, jt65hf by w6cqz. Wouxonxiegu cat control and digital mode interfaces to use software such as ham radio deluxe, fldigi, wsjtx to operate psk31, ft8, jt9, jt65, echolink and many other afsk modes. Ft8 mode is latest bright shiny object in amateur radio digital world. Jt65 uses 126 contiguous time intervals, each of length 0. Check the wsjtx page and links therein for details about modes ft8, jt4, jt9, jt65. The new mode is named after its developers, steven franke, k9an, and joe taylor, k1jt. My name is sergey, i was born in the 1963 year and live in moscow, russia.
Contacts are four times faster than with jt65 or jt9, and an entire ft8 contact can take place in. Worldwide qsos are possible with power levels around 1 w and compromise antennas, and several dozen jt9 signals fit easily into a 1 khz slice of spectrum. This weaksignal mode can give little pistol stations big gun results. Steve k9an and i have developed a potential new mode for wsjtx. Jul 28, 2016 my favorite digital mode has to be the jts otherwise known as jt65 and jt9. It also works many db below the noise floor, so although you may not be able to hear any signals they could be there. If you receive a security warning box, be sure to allow the installation to proceed. Execute the installation file, after you download the most recent version. Wsjtx implements communication protocols or modes called ft4, ft8, jt4, jt9, jt65, qra64, iscat, msk144, and wspr, as well as one called echo for detecting and measuring your own radio signals reflected from the moon.
Think of this mode as fsk441 slowed down to 315 baud. Wsjt is a computer program used for weaksignal radio communication between amateur radio operators. Jul 15, 2017 steve k9an and joe k1jt have developed a potential new mode for wsjtx. Ham radio cat, psk31, ft8, jt9 and jt65 interfaces xiegu. Rtty baudot code, ascii 7 or 8 bits, psk31 bpsk and qpsk,bpsk63, amtorfec sitorb, navtex, mfsk16, mfsk8. Packages for windows, linux, os x, and raspbian jessie and be downloaded from the wsjt web site at. Version 10 implements modes jtms, fsk441, fsk315, iscat, jt6m, jt65, and jt4. Jt65 hf jt65a hf frequencies frequency information digital. Jt9 weak signal communication on the hfbands by sm7vrz, anders. Hflink is the international resource for high frequency communications, hf digital messaging, emergency disaster relief, interoperative hf communications, hf networking, ham radio. Ft8 mode is latest bright shiny object in amateur radio. My favorite digital mode has to be the jts otherwise known as jt65 and jt9.
Felice ik1zvj project stems from his passion for digital modes. Jt65jt9 data mode software for hf amateur radio weblog. When you click on download youll be redirected to an ad, and youll need to click the skip ad button on the top right to download the zip file. According to the annoucement, the ft4 mode will be made available with version 2. Jt65 handles very weak signals, just like wspr, so will get through where voice and psk31 wont. The mode name ft8 stands for franke and taylor, 8fsk modulation. Here is the download page look toward the bottom of the page for the installer. It can work dx but the conditions have to be pretty good. Wsjtx weak signal communication, by k1jt offers specific digital. Jt65, jt9, ft8 and ft4 frequencies are defined by the modes developer for region 1, psk and rtty are not critical but usually stations are heard at these frequencies sights and sounds of digital modes w1hkj s website. Have a great time with jt9 american radio relay league. Sdrstyle hardware including the sdriq, perseus, softrock, and funcube dongle is supported by map65 and wspr.
Download rms express a very good application for using the winmor protocol. Alarmejt been designed with lazarus, written in pascal, it is only reserved for private use for amateur radio. All of that being said, oftentimes you 5 watts or much less is indeed all you need. Please read and make yourself familiar with the change logs and instructions before testing any new features. Wsjt 2way narrow modes for amateur radio has 10,064 members. It is modified wsjtx software forked from wsjtx r6462. Thank you for downloading jtdx jt9 and jt65 modes for lf mf and hf amateur radio. Ham radio cat, psk31, ft8, jt9 and jt65 interfaces.
These modes were all designed for making reliable, confirmed qsos under. Digital modes with applications like wsjt and js8call are fun. Jt65 jt9 ft8 digital modes group public group facebook. Ham radio cat, psk31, ft8, jt9 and jt65 interfaces kenwood. Wsjtx another great package for jt65, jt9, and jt4. Apr 27, 20 jt9 and jt65 is not a qrp mode, it is a weaksignal mode. Contacts are four times faster than with jt65 or jt9, and an entire ft8 contact can take place in about 1 minute.
Jt4, jt9, jt65, and qra64 use nearly identical message structure and source. It is designed to work with exellent wsjt x joe taylor, k1jt running on jt65, jt9 and ft8 modes. They are calling the mode ft8 franketaylor design, 8fsk modulation ft8 is designed for situations like multihop es where signals may be weak and fading, openings may be short, and you want fast completion of reliable, confirmable qsos. I downloaded the wsjtx software, the meinberg ntp timing program to sync my. Download the package file appropriate for your system, from the list below. Jt9 and jt65 is not a qrp mode, it is a weaksignal mode. Bill and a few others have been experimenting with fsk315 and also iscata on 10 meters, under deadband conditions, using meteors and ionospheric scatter propagation. In particular go to the web site of developer con zl2afp. Operating digital requirements transceiver capable of ssb computer with digital software for jt65jt9 only, need free software to sync computer clock with time standard interface commercial or home brew may be as simple as two cables and two resistors see resources page take precautions to get a clean signal turn off any compression circuity used for voice ssb. If a quick conversation with someone far away similar to a contest contact while running minimal power to a limited antenna is your type of fun, jt9 is worth a try. The numeral designates the modes 8frequency shift keying format.
Normal usage requires a standard ssb transceiver and a personal computer with soundcard, or the equivalent. Kenwood cat control and digital mode interfaces to use software such as ham radio deluxe, fldigi, wsjtx to operate psk31, ft8, jt9, jt65, echolink and many other afsk modes we offer a large range of interfaces to ensure maximum compatibility with modern and older pcs and digimode software. Conceived originally for enhancing esoteric propagaint modes such as high speed meteor scatter and moonbounce, joe taylor k1jt developed a series of applications including fsk144, jt6m, jt65, and jt9. Wsjt is the original program, first released in 2001. What started as a digital mode for eme in the vhf and uhf bands, now also have. Download jtalert an extremely useful addon package for either of the jt65 applications above. The version of the program you are about to download is 18. Kenwood cat control and digital mode interfaces to use software such as ham radio deluxe, fldigi, wsjtx to operate psk31, ft8, jt9, jt65, echolink and many other afsk modes. These extended versions take increasingly less bandwidth and permit reception of even weaker signals. Digital mode software and resources santa barbara amateur.
The ft8 digital mode is the latest in a series of weak signal applications for amateur radio. It is easy to use and a great way to meet other hams and get to know them through interchanges on this digital mode. The jt9 mode are in many ways similar to jt65 as the share the same basic concept. Nov 04, 20 in recent months my ability to work dx on the hf bands has been utterly transformed thanks to some exciting new software for the jt65jt9 weak signal data modes i have a very modest hf station now due to living in a conservation area with antenna restrictions and can only use a stealth antenna comprising of an exarmy camouflaged 280. The software is free to use and can be downloaded from. Digital mode software and resources santa barbara amateur radio.
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