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Why airplane sound is not heard during night?
I really don't get this question. I have been on thousands of night flights, and I have been through hundreds of airports, and I could always hear the engines, day or night. And, because your normal daylight traffic sounds are less, sound carries better at night, so you can hear the sounds of the aircraft farther at night, even farther than you can hear in the daytime. Higher frequencies definitely travel better at night, too. Unless ..., you were asleep, and didn't hear them? I am stumped.One possibility: There are fewer flights between midnight and 6 am: major airline traffic at most airports starts at about 7 o'clock in the morning. So, perhaps you don't hear so much aircraft sound, because they schedule fewer flights at night?
Why do radios work better at night particularily over Water This has been known since the dawn of Radio?
The answer I figured out (from old technical manuals) is in part Sound carries further at night even at audible frequencies owing to relative quiet (relativity) and also this would apply to overwater operations. Theother is one does not have to contend with solar-induced flares and scatter, as the sun has set. Radios work fine in daytime,but work better at night. This was known in the days fof Bill Marconi. sound and radio waves travel farther at night. right on. The answer I figured out (from old technical manuals) is in part Sound carries further at night even at audible frequencies owing to relative quiet (relativity) and also this would apply to overwater operations. Theother is one does not have to contend with solar-induced flares and scatter, as the sun has set. Radios work fine in daytime,but work better at night. This was known in the days fof Bill Marconi. sound and radio waves travel farther at night. right on.
Why is a AM stations transmitter farther than an FM stations?
AM station transmitters can operate at lower frequencies, allowing their signals to travel longer distances, especially at night when atmospheric conditions enhance propagation. The longer wavelengths of AM signals can diffract around obstacles and follow the curvature of the Earth, making them more effective for long-range transmission. In contrast, FM signals have higher frequencies with shorter wavelengths, which tend to travel in a more line-of-sight manner, limiting their range and effectiveness over long distances.
What is the effect of the ionosphere increasin its height at night?
When the ionosphere increases its height at night, radio wave propagation improves as higher frequencies are able to reflect off the ionosphere back to Earth. This can enhance long-distance communication, making it easier for radio signals to travel over longer distances during nighttime hours.
Medium waves travel faster at night because.?
Because in day time the ionisation is less in the D layer of the Sky. So it absorbs the medium waves because of its lower frequencies. In night time the D layer vanishes and the Medium waves travel towards the F layer and reflected back to the earth from a long distance. That's why Medium waves are clearly heard in night times from a long distance.
When would the slaves travel?
They will travel at night.:)
Who has better vision, cats or dogs?
Cats generally have better vision than dogs. They have a wider field of view and better night vision due to a higher number of rod cells in their eyes.
How do I avoid truck scales?
Most to the time the weight stations will only be open during the day. If you travel at night then you will have a better chance at avoiding them.
Does cereal taste better at night?
It does taste better at night (for me)....I have no idea why, but it does!!
Do security jobs at night usually pay better than their daytime counterparts?
Security jobs at night typically offer a higher salary structure than those same jobs during the day. This is due to the night work involved.
When do lobsters usually travel?
they usually travel at night and stay hidden at.......................
What does the name israk mean?
Isra which is an Arabic name means "Travel at night."
