Jt65 software work hard

Amateur radio software for transmissionreception of jt65 protocol on hf bands 2m. The result is ft4 a new digital mode specifically designed for radio contesting. Jt65 is one of the more specialist data modes that ive played with, but i must admit, its quite addictive. Description 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. Home wsjtx wsjt map65 wspr simjt program development references support. Its difficult at best to contain everything needed to operate jt65hf in one window of a size that is usable on most systems. Now text added to the call show up as full confidence decodes. The first four letters in the program name stand for weak signal communication by k1jt, while the suffix x indicates that wsjtx started as an extended and experimental branch of the program wsjt. Amateur radio software for transmissionreception of. Hi doug, for jt65jt9 i use wsjtx from k1jt togehther with jtalertx. Jt65hf setup and use guide jt65hf is 2008,2009,2010 j. Amateur radio software for transmissionreception of jt65 protocol. All the hard work is done in the sound card you type, the software converts this to a digital stream that goes to the sound card.

Once you have it on your hard drive, double click on the compressed file to unzip. Jt65hf an odd but fun digital mode ok i know this mode is not for everyone but really what other mode has the capabilities to work the eu, south africa, south america, japan, new zealand and australia all on 40 meters, low power about 20 watts with a dipole up 25 feet on a saturday morning between 7 am and 8. For ease of use jt65 software is the master, fldigi the not so convenient jackofalltrades. The owners have declared that they would support the jt modes at some point, joe was ill the author of jt modes so it was delayed, would be nice to know a new target date. Althought i have had jt91 qsos on 10m in the past, i suspect the rig stability is challenging and jt65hf gives me a better chance. Jt65jt9 data mode software for hf amateur radio weblog. I tried using the linux version wsjt and could never get the software audio to work with my rigs. Jt65 handles very weak signals, just like wspr, so will get through where voice and psk31 wont. The jt65 encoding and decoding routines, also used in wsjt, are developed by k1jt, joe taylor. What is jt65 i am sure many of you are wondering what is jt65. The info above raises the questions if jt65 is designed to perform better by giving up the need for receiving all. Yet another branch of jt65hf, by dl4oce this one works with ham radio.

Thus if you write gud luk w6dtw or cq eu w6dtw the reverse beacon network will ignore the message and you wont see yourself on the spotting lists or maps. It also works many db below the noise floor, so although you may not be able to hear any signals they could be there. All my answers to a false decode would be wrong and i might as well send anything, if, indeed, ds is conjuring the whole thing up in my hard drive. These goals are especially difficult on the eme path and therefore, for many, all the. A jt65 qso may not look like a random situation but it is only in the one case where the outcome is correct is there a right answer to a decode. Jt65 hf setup and use guide jt65 hf is 2008,2009,2010 j.

If its off by a second or more, it wont decode the messages. Jt65 hf is based on code from the wsjt project and would not be possible without the efforts of k1jt and others within the wsjt development group. Digital modes ii psk31 and jt65 maui amateur radio. Again, why not let the decoder do the work by decoding only what it has received. In the vast majority of cases, this simplifies to a rule of thumb of use jt65 for vhf and up, and jt9 on hf. Jt65hf would not be possible without the efforts of joe taylor k1jt and his wsjt software upon which jt65hf is, in part, based. Jt65a and jt65hf software weak signal digital mode on hf. May be hard to identify this problem may not be a common problem no rs 232 serial port difficult to set mic level to transmitter typical computer audio out is 2v typical mic input level is 10mv difficult to set mic level to computer dont use jt65 software to adjust receiver audio level ground loops. With an intuitive web interface and service desk portal, solarwinds web help desk delivers simplicity and automation to streamline help desk ticketing and it asset management. Jt65hf is a very good program and made the relatively new mode easy to participate in. A standardized qso the nature of the optimized jt65 decoding algorithms requires each exchange to be very short in length. Jt65 digital mode software category is a curation of 9 web resources on, wsjtx, jt65hfcomfort, jt65hf by w6cqz. Amateur radio software for transmissionreception of jt65 protocol on hf bands 2m 160m important. 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.

A video example of a jt65a qso using jt65hf software. Jt65hf any versionmode of jt65a is a time kller to say the least. In 2001, joe wrote the wsjt for weak signaljoe taylor software. Using this software on 40, 20 and 15 mtrs i work all three coasts and. As with modes such as psk31 and wspr, you interface your hf rig to a computer, and send out text encoded by your computer over the amateur bands. No not the internet, but low power digital modes like jt65, jt9, olivia, psk to name a few in this article we was going to concentrate on jt65 and jt9, like many modes its hard to know where to start, what software. Jt65hf is based on code from the wsjt project and would not be possible without the efforts of k1jt and others within the wsjt development group. The software uses some special tricks to squeeze more out of the protocol by using prosigns. After you install mmtty, download extfsk and unzipthe files into the mmtty directory on your hard drive. This link is listed in our web site directory since thursday sep 16 2010, and till today jt65hf by w6cqz has been followed for a total of 9874 times. I downloaded two pieces of software so far in hopes to try to decode and even qso with someone in jt65 mode.

When talking about jt65 almost all information applies to jt9 as well. Its still in beta testing, but ft8 the latest digital bauble to capture the imagination of the amateur radio community has been luring away many of those already using the popular jt65 weaksignal mode. Jt65hf is an adaptation of the jt65a protocol with an emphasis upon its usage in the high frequency amateur bands to facilitate weak signal communications and experimentation. With either jt9 or jt65, worldwide qsos are possible with power levels of a few watts and compromise antennas. Digital modes ii psk31 and jt65 tom worthington maui amateur radio club october 8, 2014. I did know about joe taylor, k1jt, the prime mover behind the jt series of modes, thanks to his arecibo moonbounce fame and other accomplishments. Did i forget a program or the software data is not up to date, please write to me via the contact form. Resolve help desk tickets faster to help improve enduser satisfaction. Information about jt65a digital mode for amateur radio qsos. Since i started using jt65hf software, i have had the volume set to zero on my radio. It is distinct from jt65hf, but works closely with it.

You also dont need a lot of power to make a contact you can work the world on 10 watts. Although some use it for testing more esoteric modes, it is not intended for general release at this time. That being said multiples of 200 hz isnt a hard and fast rule, and you will see qsos. This is the jt65a site about jt65 hf frequency and jt65a hf frequency information. If you think this might be able to work and would like to help let me know. Its not my intention to dive into the technicals of any mode but to give hams practical operating information. This way, i can run the software around the clock without disturbing the xyl. In a dualpolarization system, map65 optimally matches the linear polarization angle of each signal, thereby eliminating problems with faraday rotation and spatial polarization offsets. Yesterday, staying on 20m, i worked 4 europeans running 2. Wsjtx is a computer program designed to facilitate basic amateur radio communication using very weak signals.

I tried using precompiled versions and recompiled wsjt on various linux. This was not hard to do with all modes except for jt65. Powerful, simple, and affordable help desk software. Once its working though, using the software is fairly straightforward. How to set up and operate your own hf digital station instructions for. Soon after the ft8 roundup held on december 12, 2018, we started serious work on a faster, more contestfriendly digital mode that can compete with rttycontesting qso rates while preserving many of the benefits of ft8. Unlike wsjt which if set to wide decode only decodes the strongest message, w4cqzs jt65hf software will decode all messages in the 2000 hz receive bandwidth window which is shown on the waterfall. So it would appear not to be so much jt65 being preferred for vhf, as jt65 being better suited for line of sight links and jt9 being optimized for ionospheric propagation links. Welcome to the jt65a digital mode for high frequency weak signal. I dont think its interfering with anything else, but i would like some feedback on that. I put it to 10w and if i check the power meter in ssb or in cw it is indeed dead on 10w but once i start txing in jt65, the output power is about 1w. Have a great time with jt9 american radio relay league.

These goals are especially difficult on the eme path and therefore. A video example of a jt65a qso using jt65hf software it should be noted that the worldwide reverse beacon network will only upload received messages if theyre in standard pattern. It looks quite complicated but the guide which comes with the software is one of the best setup guides ive ever seen for any software, it goes through exactly what does what and how to use it and for those who are interested, the details of the protocol. Jt65 hf jt65a hf frequencies frequency information. The program decodes all jt65 signals in a passband up to 90 khz wide, producing a sorted band map of decoded callsigns. Decoding up to 30 db and very reliable under difficult conditions, like overlapping stations jt65. The jt65hf hb9hqx edition software, along with the source code, may be obtained from sourceforge. The author compared jt65 and ft8 in real world situations with. One thing i noticed and do not understand is the output power of my rig.

For now i use other software that integrates with the hrd log program. Using wsjtx software to operate jt65 and jt9 modes. The main category is jt65 software that is about jt65 digital mode software. We recommend the free dimension 4 program to keep your clock in sync with an accurate internet time service. Jt65 relies on the computers clock being very accurate. That software logs correctly jt65 and jt9 without extensions.

One could also say that the aim was to try to compare the reliability of. That being said multiples of 200 hz isnt a hard and fast rule, and you will see qsos at almost any point in the waterfall. Make sure that the audio level into the software is set correctly. Amateur radio software for transmissionreception of jt65 protocol on hf bands 2m 160m. And mshv from lz2hv recompiled from source code of wsjtx with different gui implementation both for linux and windows os. Jt65 is weak signal digital ham radio software and this is about the jt65 hf frequencies and jt65a hf frequencies information. I had heard of jt65 but didnt know anything about it and i had never even heard of jt9. Jt4 and qra64 are optimized for eme on the vhf and higher bands, and especially the microwave bands from 2.

I am using a yaesu ft2000 together with a signalink usb and the jt65hf software. You are limited to a message of no more than characters. Jt65hf also does not work with commander despite being selected. 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. One key thing i learnt along the way is that your computers clock has to be spot on. Jt65 software to decode weak signals is practice, practice, practice. If you are comfo rtable using step software please report any issu es found in the group. The jt65 encoding and decoding routines, also used in wsjt, are developed by k1jt.

I use jt65hhb9hqx edition version 2 most of the time because i prefer the interface to wsjt which i use for jt9 it seems to work just. Discussion in working different modes started by g0vkt, jun 28, 2016. You can use jtmodes on any frequency, but there are designated meeting grounds if you are looking for a qso. When we get back from shopping i shall return to jt65hf and jt91 modes hoping to work more stations. Wsjt will still sit there and do nothing but pretend to work, move the waterfall in response to some unknown signal and clutter up the text screen with random characters. Common psk31 frequencies all frequencies usb 3580 khz 7040 khz 14070 khz 21070 khz 28120 khz common jt65 frequencies 3576 khz 7076 khz 14076 khz. About jt65hf by w6cqz the resource is currently listed in in a single category. In the vhfuhf world, and especially when working over the eme path. I only have a 43 vertical so working the rare ones is a bit difficult at times, especially to the. The goal is not to have it on the normal jt65 frequencies because its hard to call cq test using jt65 so ive picked 25khz chunks out of digital portions of different bands. Can jt65hf not recognize an ntfs formatted hard drive. Other unofficial or limited pskreporter client software.