TV Fool  

Go Back   TV Fool > Over The Air Services > Help With Reception

Notices

Reply
 
Thread Tools
Old 2-Jan-2011, 3:43 PM   #1
malina3105
Junior Member
 
Join Date: Jan 2011
Posts: 3
help me dump cable NW of Chicago

Hi -
We live 60 miles NW of Chicago. Would like to get Milwaukee channels too if possible. Antenna would be roughly 20 ft off the ground, would like to feed 4 tv's but would settle for 2. Toward Milwaukee is relatively clear but toward Chicago we have a fair amount of trees. Here's our info:

http://www.tvfool.com/?option=com_wr...da326be889e3be

any advice would be greatly appreciated.

Thank You
malina3105 is offline   Reply With Quote
Old 2-Jan-2011, 4:10 PM   #2
Billiam
Senior Member
 
Join Date: Mar 2010
Posts: 381
Something like a Winegard 7084HD coupled with a pre amp like the Winegard 8275 would probably allow you to get every channel on that list down to WIFR TV 41. You will need a rotor unless you want to install two separate fixed antennas pointed towards Chicago and Milwaukee.
Billiam is offline   Reply With Quote
Old 2-Jan-2011, 11:35 PM   #3
Tower Guy
Senior Member
 
Join Date: Dec 2009
Location: Delmar, NY
Posts: 1,236
Quote:
Originally Posted by malina3105 View Post

any advice would be greatly appreciated.

Thank You
My suggestion would be the HD7698P with an AP8700 preamp.
Tower Guy is offline   Reply With Quote
Old 3-Jan-2011, 12:49 AM   #4
Billiam
Senior Member
 
Join Date: Mar 2010
Posts: 381
Quote:
Originally Posted by Tower Guy View Post
My suggestion would be the HD7698P with an AP8700 preamp.
That would also work provided that he is not interested in the VHF Low stations that show up on his report.
Billiam is offline   Reply With Quote
Old 3-Jan-2011, 3:49 AM   #5
John Candle
Senior Member
 
Join Date: Jun 2010
Posts: 2,697
Tv Antennas and Reception

A rotor , one antenna and one Tv works well , the person that has the remote controls what to watch. Having one antenna and a rotor connected to more then one Tv is a source of conflict of what Tv stations to point the antenna at. The best way to do it is have two antennas , one antenna points at Chicago and the other antenna points at Milwaukee. From each antenna a coax cable goes to a location where 2 four way splitters are at , it is best to locate the 4 way splitters at a place where there is power for the preamps and it is easyer to run the coax in pairs from each splitter to the Tv locations. At each Tv location is a Remote control A/B switch so the Tv watchers can switch antennas with out moving from the chair. . Or you can put up one antenna point it at Chicago or Miwaukee and be happy with that.
John Candle is offline   Reply With Quote
Old 3-Jan-2011, 2:37 PM   #6
Tower Guy
Senior Member
 
Join Date: Dec 2009
Location: Delmar, NY
Posts: 1,236
Quote:
Originally Posted by Billiam View Post
That would also work provided that he is not interested in the VHF Low stations that show up on his report.
WOCK-CD on channel 4 with a NM of 7.1 is unlikely to be received. TVfool does not add low band noise to the calculation, resulting in optimistic low band reception expectations.
Tower Guy is offline   Reply With Quote
Old 3-Jan-2011, 3:20 PM   #7
Billiam
Senior Member
 
Join Date: Mar 2010
Posts: 381
Quote:
Originally Posted by Tower Guy View Post
WOCK-CD on channel 4 with a NM of 7.1 is unlikely to be received. TVfool does not add low band noise to the calculation, resulting in optimistic low band reception expectations.
Tower Guy. I have not had any experience receiving VHF Low Digital signals. In other words , what you are saying is the noise floor on channels 2 to 6 is different than on channels 7 to 13? And that you need a higher NM on these lower band channels when compared to VHF Hi in order to receive them? Is that correct?

I am getting a pretty solid picture on a Channel 7 here with a NM of about plus 3.5. I only get dropouts when it gets really windy or some kind of weird atmospheric conditions crops up and then I lose it for a few minutes.
Billiam is offline   Reply With Quote
Old 3-Jan-2011, 6:08 PM   #8
Dave Loudin
Senior Member
 
Join Date: Jan 2010
Location: King George, VA
Posts: 659
Yes, in practice the noise floor on VHF-low is higher than for VHF-high.
Dave Loudin is offline   Reply With Quote
Old 3-Jan-2011, 9:13 PM   #9
Tower Guy
Senior Member
 
Join Date: Dec 2009
Location: Delmar, NY
Posts: 1,236
Quote:
Originally Posted by Billiam View Post
In other words , what you are saying is the noise floor on channels 2 to 6 is different than on channels 7 to 13?
Yes, the FCC added 4 db of noise for low band when they calculated the DTV table of assignments.

The actual amount of noise varies considerably. In a commercial environment channel 2 can have 29 db added noise. Also, according to the data in the MSTV DTV report, channel 6 has 6 db less noise than channel 2 in all environments.

http://www.mstv.org/docs/techinfo.pdf
Tower Guy is offline   Reply With Quote
Old 4-Apr-2011, 12:39 PM   #10
malina3105
Junior Member
 
Join Date: Jan 2011
Posts: 3
Thank you so much for your advice. Would anyone have a recommendation for a rotator that would work well with the HD7698 and an AP 8700 pre amp?


Thanks again!
malina3105 is offline   Reply With Quote
Old 4-Apr-2011, 3:45 PM   #11
John Candle
Senior Member
 
Join Date: Jun 2010
Posts: 2,697
Tv Antennas and Reception

Here are 2 Tv antenna rotors. http://forum.tvfool.com/showthread.php?t=460 , http://www.channelmasterstore.com/An...ators_s/33.htm

Last edited by John Candle; 4-Apr-2011 at 3:49 PM.
John Candle is offline   Reply With Quote
Reply

Bookmarks

Go Back   TV Fool > Over The Air Services > Help With Reception


Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off




All times are GMT. The time now is 9:06 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright © TV Fool, LLC