The data, released by the Malaysian government, is made up of 45 pages of data plus notes.
It was originally released to families of those on board the lost jet but has since been more widely circulated.
Michael Exner, a satellite engineer who has been intensively researching the calculations based on information released so far, questioned the usefulness of the document.
He said: "It's a whole lot of stuff that is not very important to know.
"There are probably two or three pages of important stuff, the rest is just noise. It doesn't add any value to our understanding."
The data consisted of data communication logs from the satellite system operated by British firm Inmarsat.
Earlier this week Inmarsat chief engineer Mark Dickinson told CNN that he was confident of the data.
He said: "This data has been checked, not just by Inmarsat but by many parties, who have done the same work, with the same numbers, to make sure we all got it right, checked it with other flights in the air at the same, checked it against previous flights in this aircraft.
"At the moment there is no reason to doubt what the data says."
We are not experts and we cannot analyse the raw data, but we need to see the deduction process and judge by ourselves if every step was solid
In a posting on its Facebook page, a group representing some of the victims' families said: "Finally, after almost three months, the Inmarsat raw data is released to the public.
"Hope this is the original raw data and can be used to potentially 'think out of the box' to get an alternative positive outcome."
Many family members have criticised the Malaysian government, accusing them of failing to release information and keep them informed about their loved ones' fate.
The authorities have insisted they are being transparent in an unprecedented situation.
Steve Wang, whose mother was on the plane, said he was disappointed that the release did not contain an account of exactly what investigators did to conclude the plane had taken the southern route.
He said: "We are not experts and we cannot analyse the raw data, but we need to see the deduction process and judge by ourselves if every step was solid.
"We still need to know where the plane is and what is the truth. We know the likelihood that our beloved ones have survived is slim, but it is not zero."
Flight MH370, which was carrying carrying 227 passengers and 12 crew, vanished on March 8 en route from Malaysian capital Kuala Lumpur to Beijing, China.
The aircraft last had contact with air traffic controllers 120 nautical miles off the east coast of the Malaysian town of Kota Bharu.
Teams have been searching for the plane ever since, but so far not a single piece of debris has been identified.
An unmanned U.S. Navy submarine has been scouring an approximately 155-square mile (400 square kilometres) patch of seabed since April and is scheduled to finish its mission on Wednesday.
The Bluefin 21 has been searching in an area where sounds consistent with aircraft black boxes were detected last month.
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