Madison, AL: Narrowed it to three Antennas for OTA HD... - AVS Forum
HDTV Technical > Madison, AL: Narrowed it to three Antennas for OTA HD...
BB_Mike's Avatar BB_Mike 04:04 PM 02-01-2011
Here is my TVFool channel listing:

http://www.tvfool.com/?option=com_wr...3cf4966e0dafd3

I am only wanting to get the prime channels that are in green. Weekest signal strength is -41.2dBM

ABC, CBS, NBC, Fox, PBS is all at 85* to 92* azimuth.
CW is at 316* Azimuth
The rest is garbage.

I can do outdoor or attic, but it looks like I should NOT have an issue with an attic antenna.

Here are my choices, and my main concern is being able to get the CW channel with it's azimuth being about 50 degree off from the rest.

ClearStream2
http://www.amazon.com/gp/product/B00...A1GO776JZJGBGT

Antennas Direct DB8 Multidirectional HDTV Antenna
http://www.amazon.com/Antennas-Direc...6600890&sr=1-1

Antennacraft® Colorstar C490 HDTV/VHF/UHF/FM Antenna
http://www.radioshack.com/product/in...ductId=3767303


Would either of these require boosting if being split and sent to two receivers?

THANKS!

ProjectSHO89's Avatar ProjectSHO89 04:32 PM 02-01-2011
The C2 offers the best shot of doing what you want. The DB8 is overkill and the C490 is simply a poor match to the all-UHF goal you've set.

You will probably have to aim the C2 a bit south-easterly to put CW into the C2's rear lobe. That station's tower is up on the TN border to your north-west. That's a bit more than 50 degrees...

A sure-fire solution would be two small UHF Yagis such as the 42XG and a channel 14 Jointenna (if you can find one). Point one at Huntsville, the other towards the CW Station.
BB_Mike's Avatar BB_Mike 04:47 PM 02-01-2011
I want to keep it simple and go with one Antenna for everything.

Sounds like that off-angle pointing might work. I didn't even think about using the antennas rear lobe for reception.

I don't so much mind the trial and error of antenna pointing, but I would rather error on the safe side of antenna size/reception. Because I am deleting cable, I need this reception to be as rock solid reliable as I can get it.

the DB8 is only $10 more than the C2. So is that "overkill" not worth the extra $10?

I just had this recomended by a local person:
http://www.amazon.com/Channel-Master.../dp/B000FVTPX2
dave73's Avatar dave73 04:52 PM 02-01-2011
I would eliminate the Antennacraft C490, just because the channels you mainly want in green are UHF. That's an all channel antenna, and unless you're also looking to try & get those distant VHF stations (especially WUOA RF 6 & WJSU RF 9), then you don't need one with VHF. The Clearstream 2 & the Antennas Direct DB8 look like good choices. The DB8 covers more area, & would actually allow you to point that antenna between 85° & 92°. Now if you can't get your CW affiliate from the backside, then you will either need a rotator, or a second antenna just for CW.

If yo look at my TV fool chart, I had to get a second antenna just for WYIN, which broadcasts from 184° azimuth, while all other stations are 330° & 332° azimuth. My main antenna is an older Philips VHF/UHF/FM antenna that I bought prior to DTV, but still use it today, even though no full power stations are on 2-6, & a small Winegard HD-1080 just for WYIN. I don't know about your situation if you'll get a steady signal of WHDF from a different , but my own situation warranted a second antenna for WYIN, since their signal dropped out a lot, due to my main antenna pickling them up off the side, & couldn't hold onto a steady signal. That's something to think about.

Here's a possible choice to look at, as you can adjust the direction of each panel. It's from digiwave, an 8 bay antenna where yo can have one set of 4 bays pointed in one direction, & the other pointed in another direction. This antenna might solve your issue with CW coming from a dfferent direction. http://www.summitsource.com/digiwave...le-p-9544.html
cutthecable's Avatar cutthecable 05:01 PM 02-01-2011
In your case KISS applies you only need a DB4 facing due East to pick up the bulk of what you want 15 miles away. The DB4 is very cost effective over the DB8 overkill option IMHO. Best if installed on a J pole roof or wall mounted so it can face East.

Only use a pre-ampliflier if you have along run of RG6 coaxial cable from the antenna to the TVs.


Cheers,

Cutthecable
aerial1's Avatar aerial1 05:25 PM 02-01-2011
Sorry for butting in here but here in Fort Wayne the Digiwave ant 7288 works good. We have a D.T. channel 15 miles north of our tower farm and the digiwave antenna has a hinged panel that can be aimed towards another transmission source. In the Columbia City, Indiana area one panel towards South Bend and the other at Fort wayne. A winegard H.D.269 pre-amp prevents overload from the one million watt erp stations in Fort Wayne. Just thinking of a way for you not to have two antennas on a mast looking like a high tech bird perch.
arxaw's Avatar arxaw 06:00 PM 02-01-2011
http://www.amazon.com/gp/offer-listi...ref=sr_1_1_olp
Indoor, attic or outdoor, depending on building materials.
BB_Mike's Avatar BB_Mike 06:02 PM 02-01-2011
I am liking that Digiwave 7288 antenna! And it comes with 50' of Coax. $100 after shipping.

That's awesome that you guys really looked into my situation and recomended something I hadn't even considered.

Utto... Or, from the above post, I can just get two of the 20"x13" antennas. but can I just use a splitter in reverse to combine the signals? Is the 3dB of loss now a concern? $44 for the two of them and I can just buy a spool of 250' of RG6 with the saved money.

Toal Length of coax is maybe three seperate 50' lines at a max.
arxaw's Avatar arxaw 06:10 PM 02-01-2011
Per your TVFool, you do not need such a large antenna as the 7288.
BB_Mike's Avatar BB_Mike 06:20 PM 02-01-2011
Thanks Arxaw. After seeing the shipping of the 7288, I decided to go back to the Amazon one that you had posted.

So to combine the two signals, do I need something special?
arxaw's Avatar arxaw 08:39 PM 02-01-2011
Just a conventional 2-way splitter available at Lowes, Home Depot, etc. If your coax runs are long, you may need to add a low noise preamp. But only add it if needed, because your signals are strong and it may overload, if not needed.

You may need to experiment with aiming the antenna in different directions until you find a sweet spot to get all your channels of interest that are off-axis from each other. Start by aiming it SouthEast or NorthWest.
Jedi Master's Avatar Jedi Master 03:11 AM 02-02-2011
You are only 15 miles away from the stations. You can pick them up with a $12 pair of rabbit ears. I use the Terk TV 5 indoor amplified antenna and it picks up my PBS staton from 30 miles away. Those large outdoor antennas are only for people 50 miles or more away from the stations.

http://www.amazon.com/Terk-Low-Profi...4655773&sr=1-1
dave73's Avatar dave73 11:19 AM 02-02-2011
Quote:
Originally Posted by Jedi Master View Post

You are only 15 miles away from the stations. You can pick them up with a $12 pair of rabbit ears. I use the Terk TV 5 indoor amplified antenna and it picks up my PBS staton from 30 miles away. Those large outdoor antennas are only for people 50 miles or more away from the stations.

http://www.amazon.com/Terk-Low-Profi...4655773&sr=1-1

Even if someone lives close enough to the towers, it's not a guarantee that someone can get them with rabbit ears (VHF being the worst for that). I have an aunt who only lives about 15-20 miles from WYIN's tower, & can't them at all with rabbit ears. She barely gets certain Chicago stations with rabbit ears, including Chicago's VHF stations WLS-TV (RF 7, which is about to go away soon) & WBBM-TV on RF 12.

Most people on this board have already told this person that the Antennacraft C490 isn't the one, based on the stations in green being UHF that the op wants, & that antenna also has VHF, which isn't needed. This person wants an outdoor antenna (totally recommended for DTV), and I would also go that route too if I were looking for an antenna. The OP will let us know what antenna was purchased (or 2). We gave our recommendations based on UHF. I hadn't thought about the Eagle Aspen antenna, but that looks like a good choice too that another person posted.
ProjectSHO89's Avatar ProjectSHO89 01:29 PM 02-02-2011
Quote:
Originally Posted by Jedi Master View Post

You are only 15 miles away from the stations. You can pick them up with a $12 pair of rabbit ears. I use the Terk TV 5 indoor amplified antenna and it picks up my PBS staton from 30 miles away. Those large outdoor antennas are only for people 50 miles or more away from the stations.

http://www.amazon.com/Terk-Low-Profi...4655773&sr=1-1

Rabbit ears are lousy for UHF unless properly scaled. Loops or bow-ties that are properly scaled for UHF are much more effective.

If you do go with two separate antennas, they do need to be combined. Try the suggested splitter first but be aware that doing so may result in undesirable phase cancellation that would be avoided with a Jointenna.
BB_Mike's Avatar BB_Mike 06:46 PM 02-10-2011
Quote:
Originally Posted by arxaw View Post

http://www.amazon.com/gp/offer-listi...ref=sr_1_1_olp
Indoor, attic or outdoor, depending on building materials.

I wanted to post up what I decided and how it is working out.

I got the above linked to Eagle Antenna. $22 with shipping. I bought two, but only needed one. Right now, just one is in my living room and picking up everything I expected to get and doing so very well. The antenna will still go in the attic. The extra antenna will be nice if I run into any low signal strength pre-amp issues. At that point, I can just put the 2nd one in the attic.

Quality of the antenna was pretty good for $22. Even has a weather boot for the Coax connection

thanks again all.
arxaw's Avatar arxaw 07:27 PM 02-10-2011
Glad it worked well for you.
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