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Over the air TV reception today & most of last week - not consistent?

Author :

Submitted : 2018-06-15 16:18:10    Popularity:     

Tags: reception  TV  air  today  consistent  

OTA reception, whether analog or digital, has never been consistent anywhere. It is affected by atmospheric conditions and other factors. This is cal

Answers:

OTA reception, whether analog or digital,
has never been consistent anywhere.

It is affected by atmospheric conditions and other factors.
This is called "signal propagation", a subject you might want to study for your personal benefit.

I've heard that the next version of standards from the ATSC will be better, including in terms of reception.

https://www.atsc.org/

if you live in a town and the tv station is a relay one ... maybe its antenna trouble ..usually caused by the rain ... ask your neighbors ...if yes call them ...

No question?

That's due to disturbances in the ionosphere.

TV and radio signals are broadcast by antennae and bounced off the ionosphere. The fact that the ionosphere bounces the signal back down to such a large radius is why they can be picked up at such a great distance. If it were simply the antennae themselves, you would not be able to pick up signals they broadcast from a distance much further than your line of sight to an individual antenna.

The bottom of the ionosphere acts like a giant mirror 30 miles up that allows your antenna to "see" the signal from much farther away as it is actually seeing a reflection of it in the sky. Disturbances in the ionosphere, which can be brought about by many, many things, things ranging from local storms to solar flairs, can sometimes cause that fairly regular distance of about 30 miles to fluctuate greatly. When it fluctuates upward, you sometimes find yourself suddenly being able to pick up radio stations or television stations from hundreds or thousands of miles away. When it fluctuates downward or becomes blocked by cloud cover, which may not be just storms but can be pollution, volcanic eruptions, etc., you sometimes find yourself suddenly not being able to pick up radio stations or televisions stations you normally always pick up.

So, assuming you've ruled out any intermittent failure by your receiver's equipment, when you have TV and radio reception that suddenly becomes not consistent with what it's been in the past, it's because of disturbances in the ionosphere. Look to the skies and take note of strange weather events or sun activity or volcanic eruptions around the world.

Digital TV is the worst for Broadcast over the Air. It was designed for Cable transmission.
The Cable companies lobbied (tricked) the Congress to change from Analog to Digital to eliminate the "Free" broadcast channels. One reason for the change was to give Mobile Devices more frequencies to work with.
Digital is subject to Power, Weather, Blocking, and reflective surfaces.
[My experience is, With Analog I received NY Channels (195 miles away), With Digital I barely receive signals from a tower I can see from my house that 10 miles away. Freezing, Breakup, pixilation. I started receiving 23 channels, now a year later I only get One channel solid, and that breaks up frequently. Many sound like the people are underwater.]

Do trees have leafs now, Has a:
1. new building (or other structure) been built near you.
2. Is your TV more than six months old.
3. Do vehicles idle or park outside your home more frequently now.
4. Raining lately.
5. High winds.
6. Antenna Wires, Tight and Secure

I tried different Antenna, 150 miles works no better than the 30 mile or the 15 mile.

Which country?
https://www.freeview.co.uk/support/living-with-freeview/aerials-and-reception#c2zyibbEmE78TFwO.97 (UK website)
4G wifi can also affect over the air TV .
Google search for more info.



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