And mshv from lz2hv recompiled from source code of wsjtx with different gui implementation both for linux and windows os. Menu lookup to open the internet browser for consulting the database of qrz. Jtdx software may decode jt65 signals with synchronization pattern bottom frequency of the signal located in 0 to 2700 hz af frequency range. Ham radio deluxe software digital modes for amateur radio operators log ft8 and jt65 qsos automatically from wsjtx, jtalert, or qso relay. If you are comfortable using step software please report any issues found in the group. Hi doug, for jt65 jt9 i use wsjtx from k1jt togehther with jtalertx. There are no changes added in any modes like jt4, jt9, jt65, iscat, echo, or freqcal. Jt65 is much more efficient than the new ft8 mode and can be decoded when the signal is many db. 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. Many new features and capabilities added in this software. Normal usage requires a standard ssb transceiver and a personal computer with soundcard. On this page we will attempt to list, categorize and provide a brief overview of each software program. W4cqzs jt65hf software will decode all messages in the 2000 hz receive.
You cant just start transmitting whenever you want. Please read and make yourself familiar with the changelogs and instructions before testing any new features. About the selected station, grid and dxcc, extracted from the log database. Jt65a is a weak signal digital mode for ham radio qso. Jt65 hf6m digital mode, introduction for beginners youtube. When using the jt65hf software, youll need to adjust your thinking about the waterfall display. Jt65 is a popular amateur radio mode suitable for long distance weak signal communications. With either jt9 or jt65, worldwide qsos are possible with power levels of a few watts and compromise antennas. The jt65hf hb9hqx edition software, along with the source code, may be obtained from sourceforge.
This free program was originally developed by joe large w6cqz. Jt65 can also be decoded by other packages, such as multipsk. However, most jt65a appears to be shifting to 1078 for a window dial. It has many useful features that make your qso logging process almost a 100% automatic procedure. For msk 144, the decoding threshold is the fraction of db lower than before, having the larger message payload and high code rate. The jt65a communications protocol was conceived and first implemented by. Enable averaging jt65, is used for very weak signals need minimum 3 periods to activate average decoding. Ft4 dx contest 2020 is scheduled for the weekend of february 29 march 1, 2020. Decoding bandwidth can be controlled by user and defined by horizontal size of the wide graph window, binspixel and start frequency settings.
Amateur radio software for transmissionreception of. Hdsdr former winradhd is an advanced version of winrad, written by alberto di bene. If you know of a program that is missing please leave. Enable deep search jt65 recommended only for vhfuhf bands. It is useful for testing the jt65 decoder and the relative capabilities of these two modes. Remote desktop screencapture of my raspberry pi3 monitor receiver on 40m amateurradio band with wsjtx and decoding ft8, jt65 and jt9. Jt65 hf jt65a hf frequencies frequency information digital. Video processing source code for algorithms and tools used in software media pipelines. If a screw up occurs, restart the computer to ensure that the update has completed. It appears then that it is the jt65 decoder software which is too sensitive to strong signals. 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.
Shows a separate list of all own qso exchange messages with timestamps information. Jt65 software to decode weak signals is practice, practice, practice. Also check and see what you are seeing in the raw decoder box accessed at the top of the active window between rig control and transmit log. Telescopeman discusses 4 free software programs that decode jt65 digital signals. My name is sergey, i was born in the 1963 year and live in moscow, russia. In a dualpolarization system, map65 optimally matches the linear polarization angle of each signal, thereby eliminating problems with faraday rotation and spatial polarization offsets. A program to decode morse code cw via sound card to text.
Jt65 was developed originally as part of the wsjt weak signal modes software package by joe k1jt. Also check under setupas to what your rx sample rate is. This image shows the software working with a 2 receiver bemicrocv hermes lite with 5 virtual receivers decoding wspr, jt65 9 and sstv over two bands. Ham radio deluxe amateur radio digital mode software. The software is compatible with microsoft windows xp, microsoft windows vista, and microsoft windows 7. It is about 2 db more sensitive than jt65 while using less than 10% of the bandwidth. Ive been doing more hf listening with my sdr but i am having problems decoding jt9 jt65.
No additional hardware required you need only receiver and computer with a sound card. The program decodes all jt65 signals in a passband up to 90 khz wide, producing a sorted band map of decoded callsigns. Airlink express box airlink express is a user friendly digital mode software package for the amateur radio operator. Multipsk updated pop windows freeware multimode program by f6cte it. Jt65hfcomfort an extension of the excellent decoding software jt65 hf by. Simjt generates jt65 and cw test signals with userspecified signaltonoise ratio. When you have the software running, use this tool to save the parameters that work. A few days ago i saw a stonkingly strong to use an english colloquialism jt9 signal and still did not decode it. Hi,i have been mostly working jt modes since getting my flex a couple of months ago. That software logs correctly jt65 and jt9 without extensions. Wsjt and wspr have windows and linux packages, and map65 and simjt.
This image shows the software working with a 32 receiver bemicro cva9 hermes lite with 30 virtual receivers decoding wspr, jt65 9, psk and ssb over 10 bands using hardware receivers. We plan to implement signal subtraction, twopass decoding, and use of a priori ap information in the decoder. For software he uses linrad or gqrx as the receiver, and wsjtx or. Mixw multimode operating software for hams mixw is a multi mode multi functional software for every day logging and contests. There are now dozens of software defined radio packages that support the ultra cheap rtlsdr. Problem decoding jt65 messages in jt65 hf software this morning i ran across a weird issue with the jt65 hf software not decoding jt65 digital messages. Jtdx jtdx is a multimode software for amateur radio.
Each transmission begins at t 1s after the start of a utc minute and finishes at t 47. Jt65 deep search copies two calls, locator and report in 48 seconds this is only possible by doping the decoding process with the missing bits, which is exactly what k1jt is doing. Now, i cannot really say that i understand all of the decoder code, but i think that it has to do with the way the power spectrum is estimated. I previously commented that my tablet clock wouldnt sync, making it useless for synced digital modes. Weak signal communication software wsjt, map65, wspr, and wsjtx are opensource programs designed for weaksignal digital communication by amateur radio. 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. Jt65 hf setup and use guide jt65 hf is 2008,2009,2010 j. Windows updates mess with audio settings and com ports. Jt65a is a weaksignal digital mode that allows you to pull great dx out from under the noise on the high frequency spectrum. A video of his rtlsdr raspberry pi 3 decoding ft8, jt65 and jt9. Ham radio digital modes software list and descriptions. Actually, doping is done to the extent that the message received via the airwaves is a fraction of the printed message on the computer screen. Amateur radio software for transmissionreception of jt65 protocol on hf bands 2m 160m important.
By about 1db, the wspr decoder has better sensitivity. If you experience problems or have questions post a message to the hamapps support group. Support jt9, jt65, t10 and ft8 is released unde gnu licence, by ua3djy and es1ja. Dxsoftham radio software programs for amateur radio our news 23 apr 2020 truetty v3. Digital master, formerly dm780, is the allpurpose ham radio digital modes communications package integrated with the ham radio deluxe suite. Download jtdx software for jt65, jt9, t10 and ft8 modes.
Welcome to my personal page,website about radio amateur digital modes since 1999. I have operated this software and hardware for the past 4months in this configuration without a problem until now. Software for amateur radio weaksignal communication. Jt65 transmissions only ever begin exactly within a second or so of one second after the minute and end around 48 seconds later at which point the software will try to solve for valid messages within the transmission window. We categorize the programs into general purpose software, single purpose software, research software and software compatible with audio piping. Jt65a and jt65hf software weak signal digital mode on hf.
We have found that most communication programs that work in windows xp also work just fine in windows vista, windows 7, windows 8. Jt65 is a popular amateur radio mode suitable for long. However, some programs cannot access the windows software volume controls properly in these later versions of windows. You can run this free pc program on windows xpvista7810 32bit. Jt65 hf lies within system utilities, more precisely device assistants. The jt65 encoding and decoding routines, also used in wsjt, are developed by k1jt, joe taylor. It offers psk, mfsk and rtty digital modes with logging and macro capabilities.
1178 807 1304 1390 921 1649 846 757 812 1516 976 670 983 300 34 1545 1047 129 550 494 554 1102 1377 1259 1194 1319 924 1030 538 52