Using this software on 40, 20 and 15 mtrs I work all three coasts and considerable DX with 1-5 watts, no sweat. I live on a very small city lot, surrounded by power lines and no decent antenna supports (trees). Update: This software suite, specifically JT65a mode, is changing my operating technique. Thanks Joe, K1JT for another hobby expanding program. In all, the program is more sophisticated and as easy to setup and use as JT65-HF. It is amazing when you see reports from thousands of miles away hearing you with one watt or less and what stations it is hearing. I tried WSPR in band hopping mode for 72 hours and it performed flawlessly also. In about 60 mixed JT65 and JT9 QSOs, it has been flawless. I see there is a review noting mistakes from the program. I can easily make one QSO with JT9 and the next with JT65. WSJT-X covers a wider segment of the band allowing me to try another mode JT9 while monitoring both simultaneously. The equality ends when the conditions are crowded and stations are overlapping then WSJT-X really shines. I compared the two program's decoding abilities side-by-side and found that under average conditions they were about equal. There is also a free add-on, JTAlertX, with a number of additional alerting and interfacing capabilities. Great program, it provides me with things that I wanted from JT65-HF like azimuth numbers, easy identification of new DXCC, sophisticated rig control and frequency reporting, and what new calls are available to work. JT65-HF is a very good program and made the relatively new mode easy to participate in. I have been dabbling in JT65 since September 2011 with JT65-HF. Although this mode used to be more common for EME on VHF, it has come to HF like files to a outdoor barbecue! It is especially popular on 20 and 40 meters.I am mostly a contester however, I enjoy digital modes and new areas of our hobby. I also made a JT65 QSO with 2E0TEC, Carl in England. My first QSO was with station PY9FP, Francisco in Brazil. If you want to find out more about it there are some great videos on YouTube that will help you learn how to configure the software and use JT65-HF. I am only using 5 watts for my JT65 QSOs and some would say that is still too much power! Most of the time QSOs are made with between 1-10 watts of RF power. The interesting part however, is that this mode can be used with very low power. There is not a lot of action with this mode and QSOs can take a long time because it takes a while to exchange the messages with other stations. Today I spent a little time playing with a mode that I have not had much experience with: JT65.
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