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Overall a great product. My only qualm with the software is the picture quality of the pages displayed when a user is selecting pages to "save as." The images are not clear enough for anyone to distinguish pages. A zoom function would be much appreciated.
2015-12-06
The software is very user-friendly and FAST! I have purchased several PDF software programs through the year and many times Nuance Scansoft PDF (ver. 2, 3, 4, 5, 6, 7) and have purchased the Foxit (Phantom PDF) one.
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I have only one recommendation. If you could make a tryout period available for the Professional and Business versions, that would be awesome!
2016-08-25
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2018-09-03
This is a remarkable Utility for working with pdf formats. It saves time and contains excellent applications to meet and complete many business tasks.
2019-06-16
good experience
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2019-09-20
ease of use could be a little better
The signature feature is wonderful. Tabbing around the form is easy. It makes signing documents very convenient instead of having to print them out and sign and fax or send back.
It seems like each time I try to do something new, it costs extra. Example is signatures. Only holds 3 signatures.
2017-11-15
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2024-06-24
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2023-01-17
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2021-02-26
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What is ionization blackout and how long does it last?
The ionized air interferes with radio signals. For the Mercury, Gemini, and Apollo spacecraft, such communications blackouts lasted for several minutes. Gemini 2, for example, endured such a blackout for four minutes, beginning at 9 minutes 5 seconds into the flight.
What is blackout on reentry?
Reentry blackout occurs when the high speed of the spacecraft obliterates atmospheric molecules, developing a plasma envelope that absorbs electromagnetic waves that are close to a certain frequency called the plasma frequency.
Why is there a blackout during reentry?
The communications blackouts that affect spacecraft re-entering the Earth's atmosphere, which are also known as radio blackouts, ionization blackouts, or reentry blackouts, are caused by an envelope of ionized air around the craft, created by the heat from the compression of the atmosphere by the craft.
Do astronauts blackout?
There actually are simple The steady state G forces for the Space Shuttle were relatively mild. Random Vibration can be a little harsh on the solids, but cushioning can damp that out. Modern day roller coasters can subject riders to double the G forces so no one should be blacking out on the Space Shuttle.
At what altitude does reentry begin?
While the Earth's atmosphere will initially slow the spacecraft down from 20,000 mph to 325 mph, the parachutes are needed to get to a safe landing speed of 20 mph or less. Deployed at 9,000 feet in altitude and a vehicle speed o
What caused Apollo 13 failure?
The Apollo 13 malfunction was caused by an explosion and rupture of oxygen tank no. The explosion ruptured a line or damaged a valve in the no. 1 oxygen tank, causing it to lose oxygen rapidly.
Who was responsible for Apollo 13?
He was initially Apollo 13's backup command module pilot but joined the crew just 48 hours before the launch after prime crew member Ken Mat tingly was unwittingly exposed to the German measles. Since Mat tingly had no immunity, NASA doctors yanked him from the mission over commander Jim Lovell's protests.
What really happened on Apollo 13?
Apollo 13 was to be the third mission to land on the Moon. An explosion in one of the oxygen tanks crippled the spacecraft during flight and the crew were forced to orbit the Moon and return to the Earth without landing.
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