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Fldigi is a modem program for most of the digital modes used by radio amateurs today: CW, PSK, MFSK, RTTY, Hell, DominoEX, Olivia, and Throb are all supported. It can help calibrate a sound card to a time signal and do frequency measurement tests.
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Ham RadioLicense
GNU General Public License version 3.0 (GPLv3)Follow fldigi
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User Reviews
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I have been a FLDIGI user for at least a decade. I love the ease of upgrading. In short, the FLDIGI suite just works.
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Windows has flagged the most recent version of FLGRIG as containing a virus. Please advise.
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I have Windows 11 and for the past several days I have downloaded the Fldigi program for my Yaesu FTdx-10. When I click the desktop icon it takes between 2-4 minutes for the program to start. When I try to access any of the settings the program seizes up and states that the "program is not working." It takes another 2-4 minutes for it to start working only to repeat the process again. I have uninstalled the program several times and reinstalled it only to have it do the same thing each time. I presently have wsjt-x installed and it works flawlessly with my radio. Any help would be appreciated. PS. Fldigi work fine on my Mac.
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Hi, I am using a Mac Mini with Apple M2 chip running MacOs 15.0.1. Fldigi still does not open on this platform; It opens and immediately closes. I hope you can fix this; I really miss this app.
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The latest version of FLAMP (2.2.13) does not seem to be able to send selected blocks such as from a fetch operation. I cannot find an older version to install in its place.