Digital Communications HF - ALE SELCALL |
Olivia Frequency
List Olivia Center-of-Activity Join the Olivia Forum: Oliviadata Group Hundreds of radio amateurs interested in Olivia operation. | |
Olivia Software
Links |
Olivia Frequencies |
Olivia
Formats |
Olivia Frequencies
(also used by other MFSK modes, MFSK16, PAX,
PAX2, etc) Olivia digital MFSK communications are becoming popular in amateur radio because Olivia is one of the most robust methods of text keyboarding that can perform superbly for long distance communications in ionospheric noise conditions where other modes fail. It is possible to communicate worldwide using Olivia with as little as a few watts of transmitter power. Read the story behind the development of Olivia: Pawel Jalocha. Olivia is different from some other types of amateur radio digital keyboarding methods, because it can often be decoded perfectly in the most poor signal-to-noise conditions, even when the human ear cannot discern the presence of the signal, and even when it cannot be easily seen on the conventional waterfall spectrum display. While amateurs are free to roam the band using VFOs, operating on any amateur frequency within the operator's license regulations, "voluntary channelisation" of Olivia frequencies enhances the amateurs' ability to tune and communicate with Olivia using extremely weak signals that would otherwise be missed through searching via VFO tuning. Please see the frequency chart for details. These are a combination of observed, suggested, proposed, and common usage frequencies that are also used by other types of MFSK, and PAX keyboarding. Olivia Formats There are many different combinations of formats, but only about 6 Olivia bandwidth/tone/baud formats are in common use. The 2 most common formats for calling CQ or initiating QSOs are: Olivia 500/16 (also called "Average") and Olivia 1000/32 (also called "Standard"). A different format may easily be chosen by the operators after the QSO starts. There are advantages to faster typing with some formats and better decoding with slower formats. Please see the formats chart for details. Olivia Communication Software Download Links: - F6CTE MULTIPSK or MULTIPSK N1SU Olivia MFSK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Olivia Calling Frequencies
Olivia Center-of-Activity Frequencies Olivia Channels, existing and proposed frequencies for finding Olivia QSOs
Olivia
Formats
(source: Multipsk by Patrick F6CTE)
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