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| Reviews Summary for WSJT by K1JT |
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Reviews: 16
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Average rating: 5.0/5
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MSRP: $free
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Description: Soundcard based free program that contains FSK441 mode, used for high speed meteor scatter, and JT44 used for tropo
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More info: http://www.pingjockey.net
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KB1CJ
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Rating: 5/5
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Apr 4, 2003 14:45
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Great Software with New Modes!
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Time owned: 6 to 12 months
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I've been a ham for over 30 years, but it wasn't until I discovered WSJT last year that I caught the VHF weak signal bug. With 100 watts into an 11 element 2 meter beam made from scrapped TV antennas, I have successfully detected my own JT44 echo off the moon (beneath noise level) and completed a number of FSK441 meteor scatter qso's. I only have a 2 element moxon rectangle on 6 meters, which stands in the shadow of Boston's channel 2 TV antenna (bad 6M noise source for me), yet I have been able to do meteor work on 6 meters using WSJT's new JT6M mode.
Joe, K1JT, has designed and freely shared some great digital modes in this excellent software package, opening up the excitement of meteor scatter and EME work to many multi-mode VHF stations. Power and antennas help, of course, but you'ld be surprised at what people have done with this program using only 100 to 200 watts into mid-sized horizontal antennas.
If you can manage a simple sound card interface (the same as PSK-31), you can configure your VHF SSB rig to run with this freeware program. Plenty of help is available at www.pingjockey.com and several of the Yahoo ham radio groups (wsjtgroup, PSK_VHF_UHF_HAMRADIO, DigitalOnSix, etc.). I recommend it highly -- if nothing else, give these new modes a try.
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W8PAT
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Rating: 5/5
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Apr 2, 2003 10:16
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Communication Milestone
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Time owned: more than 12 months
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WSJT software has provided many VHF+ operators the ability to communicate over DX paths without the investment in large antennas and/or legal limit amplifiers.
The FSK441 feature is exceptional in utilizing very short Meteor bursts. Dx range for meteor propagation is up to 1400 mile with 100 watt, single yagi stations on 50, 144, 222 Mhz. Meteor scatter has been done on 432 Mhz but experience is limited so far. I've worked CO2OJ and CY9DH for new entities on 2 meters and several new states on 222 Mhz.
JT44 mode is exceptional for weak (below the noise) steady signals. I have used it on 50 thru 432 Mhz. I have made 5 EME QSOs (W5UN, SP2OFW, PA0JMV, ES6RQ, S52LM) with 100 watts and two 12 element yagis on 2 meters.
JT6M mode is new and still under going changes as K1JT gets feedback from users. Simply stated it attempts to decode information from and meteors and also weak signals at the same time. JT6M is tailored to the conditions which are normal for six meters.
My hat is off to Joe (K1JT) for developing this software and giving it to the VHF/UHF community.
John W8PAT EN81vg
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W0AMT
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Rating: 5/5
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Apr 2, 2003 03:02
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VHF DX Made Easy
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Time owned: 3 to 6 months
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This very easy to use software will open a whole new world of contacts. WSJT has 3 primary modes FSK441, JT6M and JT44. With FSK441 mode I have worked 700 mile meteor scatter contacts on 2 meters with 160 watts and a 9 el beam at 48 feet. With JT6M I have worked 1000 mile meteor scatter contacts on 6 meters with 100 watts and a 5 el beam at 40 feet. These contacts were made via random meteors not during meteor shower events. I have worked 360 mile tropo contacts on 2 meters with JT44. This software is a true breakthrough is VHF/UHF operating. Anyone that is interested in digital communications or VHF/UHF weak signal activity should give this a try.
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KB9UMT
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Rating: 5/5
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Apr 2, 2003 01:45
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Digital ops..TRY THIS!
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Time owned: 6 to 12 months
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If you have not tried this software/mode out then you are missing some great digital action on the VHF/UHF bands. I have always had a multband/mode rig and was usually spending most my time on HF digital modes but now there is a simple software (WSJT) to work far out on the VHF/UHF bands as well....digital ops TRY IT! Very simple to use once you make your first few contacts....it really is amazing to decode JT44 signals that your ear doesn't hear...also FSK441 Meteor Mode makes those short signal bouncing about (pings) decode easily to make contacts that just could not otherwise be made....if you are into digital and lost interest in the VHF/UHF bands please come back to the challenges/experimenting of the VHF/UHF bands and give this a look over! Thanks Joe K1JT for putting such effort into this great program...and it's FREE.. Have Fun...de kb9umt Don EN50dp
Sites for WSJT:
http://pulsar.princeton.edu/~joe/K1JT/
www.vhfdx.de/wsjt/
Groups to help you get answers or started:
http://groups.yahoo.com/group/wsjtgroup/
http://groups.yahoo.com/group/PSK_VHF_UHF_HAMRADIO/
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ON6AB
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Rating: 5/5
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Nov 17, 2002 13:00
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Breakthrough!!
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Time owned: 3 to 6 months
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Is this a program you need to evaluate? I don't think so. This is much more than a piece of software. What's presented here are two new communication modes able to bring weak signal communication, EME and meteor scatter closer to the average Ham. The JT44 mode for instance is so powerfull one can succesfully work EME with a single yagi, or make qso's with stations you don't even hear! FSK441, the other mode, makes meteor scatter contacts effortless and fun. This is a giant step forward in VHF communication!
Oh yes, the program itself is easy to use and looks good, but that's secondary to what it does!
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NE0P
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Rating: 5/5
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Sep 24, 2002 15:04
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WOW! Puts fun into VHF
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Time owned: more than 12 months
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I have been using this program for a little over a year, and am amazed! It is amazing the things you can work daily with high speed meteor scatter. I have completed VUCC on 2 meters in 1 year, with 100 watts and a 13 element beam at 25 feet. That is beyond my wildest dreams. This program is very easy to use, and the people on the pingjockey.net chat page are very helpful in getting up and going. If you have an all-mode radio for 6 and/or 2 meters, get this program and join the fun. ALso contains JT44 mode for weak tropo contacts. I have made a couple of QSOs on this mode where I cound not even hear the other station, and many average size stations have been working off the moon with it. THere is nothing like the excitement of hearing a meteor ping with the high speed RTTY being reflected, and then seeing your callsign from a station 1000 miles away on 2 meters, on an average night with no band opening. Makes 2 meters open every night of the year.
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