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This is a re-write of MultiMode, based on the Cocoa framework, and runs native on Intel Macs. Development versions of MultiMode 6 are available for download from this page.

Please note that not all of the modes/features from MultiMode have yet been implemented.

The following modes have been implemented:

• CW
• RTTY (BAUDOT AND ASCII)
• FAX
• SITOR-A / SITOR-B / NAVTEX
• PSK31
• ACARS
• Hellschreiber
• Packet (not as a full TNC)
• ALE
• DTMF
• VHF Tone Modes: EIA EEA, ZVEI1, ZVEI2, ZVEI3, PZVEI, DZVEI, PDZVEI, NATEL, EURO, MODAT, CCITT, VDEW, CCIR, CCIR7, PCCIR
• ICAO SELCAL
• CTCSS
• Globe Wireless Channel Marker Packets
• CHU FSK Time information packets
• EAS Emergency Alert System
• DGPS
• SSTV
• FFT/Spectrum

The following features have been implemented:

• Macros for sending text
• Control of the radio's PTT line
• Logging received text to file
• Saving images
• Keying in CW mode

LORAN-C will be added at a later date. MT63 will most likely not not be added.

If you have comments or suggestions about MultiMode 6, including bug reports or feature suggestions, please feel free to send them to me via email: or post to the message forum. Please note that due to the number of reports and suggestions, I may not be able to reply to each email or posting. Please also understand that this software is under development, and is not feature complete. MultiMode 5.9.2 is always available.

Download a copy of MultiMode Cocoa Beta (Version 6.0.0b1)
Note that Mac OS X 10.5 or later is required.

Last modified November 19, 2009