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Old 17-Mar-2011, 5:13 PM   #1
manolo
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Newbie needs help setting up

Hello everybody, I've been lingering for a while reading and need some help setting it all up.

Here is my TVFool report http://www.tvfool.com/?option=com_wr...ccd106c0975dc5 .

I am interested in getting the Canadian channels as well as the US ones. I presently have a RCA ANT751. I currently set this one in the house and got the Canadian channels coming in.

Any help will be greatly appreciated.
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Old 17-Mar-2011, 5:25 PM   #2
GroundUrMast
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Please tell us a bit more...

Are you using a newer television with DTV (ATSC) tuner built in or a set top box converter? (Make and Model please)

Have you set the tuner to receive over the air 'antenna' signals as opposed to cable?

Are the Canadian channels coming in 'crystal clear' or somewhat snowy, or looking like they are being interfered with in some way?

Mounted outdoors, the ANT-751 should be able to receive US stations, though based on your answers to these questions, a different antenna may be indicated.
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Old 17-Mar-2011, 6:19 PM   #3
manolo
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Quote:
Originally Posted by GroundUrMast View Post
Please tell us a bit more...

Are you using a newer television with DTV (ATSC) tuner built in or a set top box converter? (Make and Model please)

Have you set the tuner to receive over the air 'antenna' signals as opposed to cable?

Are the Canadian channels coming in 'crystal clear' or somewhat snowy, or looking like they are being interfered with in some way?

Mounted outdoors, the ANT-751 should be able to receive US stations, though based on your answers to these questions, a different antenna may be indicated.
I just purchased the television, it's a Toshiba 40G300U with tuner built in.

The TV is set for antenna.

I get them all coming in the lowest I have is two bars for CTV(12.1) and CBC(6.1) at one bar. All digital crystal clear and analog as good as I have ever had.

I had tried one of those quick youtube antennas a couple of days ago and had the US channels coming in, but lost them as the antenna fell over.

Would I need two antennas or one would be okay mounted outdoors?

I was thinking of doing an attic installation?

Thanks,
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Old 18-Mar-2011, 4:01 AM   #4
manolo
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Okay, got it all set up. Decided to do an exterior installation.

All channels are coming in US and CDN using the RCA ANT751. I can't get abc though, any suggestions?
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Old 18-Mar-2011, 6:03 AM   #5
GroundUrMast
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Reception of WVNY-DT (Real CH-13) is going to be a big challenge. There is both co-channel and adjacent channel interference to deal with.

The co-channel interference is from CKTM @ 54° mag. A directional antenna such as the Winegard YA-1713 or Antennacraft Y-10713 would be able to favor the signal from WVNY and reject the signal from CKTM.

The bigger problem is likely from CFCF (Real CH-12) @ 119° and predicted signal level of -20.1 dBm. WVNY's signal @ 162° is down 51.5 dB at -71.6 dBm. Even though the two stations are on different channels, the much more powerful signal from CFCF is going to include some spurious signal that spills into the channel 13 bandwidth.

CFCF is 8.2 miles away, WVNY is 83.5 miles away. An analogy here would be, You need a telescope that can be aimed almost at the sun, at noon, and be able to see faint stars.

I suspect that the only hope here is to custom build a dual-horizontally-stacked antenna engineered to have a 30 dB null in the direction of CFCF. If that made you go 'huh?', such a project is very likely impractical for you. Unless you have access to RF test equipment and the understanding of how to use those tools, you will spend time and money with little chance of success.

Don't rush out and buy any more antennas unless you are also willing to consult with the folks at Tin Lee. You need to get their opinion as to whether or not any of their filter products would be capable helping in this situation. A filter designed to pass CH-13 but block CH-12 is still going to pass the spurious emissions generated by the CFCF transmitter on the high side of CH-12. You will need to ask them about their prices.
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Last edited by GroundUrMast; 18-Mar-2011 at 6:12 AM.
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