Morse Code Ninja
ARS KS4TD
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This site's goal is to present information to help digital amateur radio operators better understand and be able to more efficiently use the different Olivia digital mode configurations. We also hope to dispel any myth and/or misinformation that has been disseminated about this fantastic mode and to promote it's use. This Olivia information page is NOW also including information for the Contestia digital mode which is derived from Olivia and has some advantages and disadvantages of it's own.
Olivia is a ham radio digital mode designed to work in difficult (low s/n ratios plus multipath propagation) conditions on HF bands (though it also works as well on VHF/UHF). The signal can be decoded even when it is 10-14 db below the noise floor (i.e. when the amplitude of the noise is slightly over 3 times that of the signal). It can also decode well under other noise, QSB, QRM, flutter (polar path) and auroral conditions. Currently the only other digital modes that match or exceed Olivia in sensitivity
It was developed at the end of 2003 by Pawel Jalocha . The first on-the-air tests were performed by two radio amateurs, Fred OH/DK4ZC and Les VK2DSG on the Europe-Australia path in the 20-meter amateur band. The tests proved that the protocol works well and can allow regular intercontinental radio contacts at very low power levels. It therefore lends itself to be an excellent QRP and ragchew mode.
Morse Code Ninja
ARS KS4TD