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Fort Smith, AR - HDTV - Page 105

post #3121 of 3401
What's up with the 4029 stretchovision ABC election results?
post #3122 of 3401
Quote:
Originally Posted by arxaw View Post
What's up with the 4029 stretchovision ABC election results?
Maybe you mean shrinkovision?
We worked our butts off getting HD graphics generators online for the election. When run over network the picture was squeezed up so none of the network graphics were covered up. You can't do that without messing up the aspect ratio, but I think that was much better than covering up the information on the bottom of the network screen like KFSM did,
I had to point out the distortion to everybody I talked to. The graphics still had to be 4:3 safe for the cable companies center cutting.

Anybody else have a comment?

When the bugs are worked out we will also be able to do crawls and school closings in HD.

Larry
post #3123 of 3401
KHBS/KHOG-TV's Carriage May Be Discontinued On DirecTV

There needs to be some info on the KHBS/KHOG web site informing viewers that they can easily receive KHBS/KHOG OTA with an antenna, and how to do that.
post #3124 of 3401
Agreed. Not even a hint that many could get both channels with a simple indoor or outdoor antenna. Sounds familiar too. From four years ago..
http://www.avsforum.com/avs-vb/showt...30#post8375930

Maybe D* will give its viewers Tulsa channel 8.
post #3125 of 3401
No can do. Satellite can't play by the same rules the cable lobby has wrangled for cox, et al. Hardly fair, but lobbyists run this country.
post #3126 of 3401
Quote:
Originally Posted by arxaw View Post
KHBS/KHOG-TV's Carriage May Be Discontinued On DirecTV

There needs to be some info on the KHBS/KHOG web site informing viewers that they can easily receive KHBS/KHOG OTA with an antenna, and how to do that.
Hearst-Argyle is pulling this stunt with DirecTV in other markets also. Same song in NOLA with WDSU.

Article (no paywall) via The Times-Picayune (New Orleans).
post #3127 of 3401
When will the kfsm fill-in translator be working and will it be digital?
post #3128 of 3401
Of course it will be digital (there are no more analog construction permits).

I was told "first quarter of 2011".... so maybe.... sometime next year. It will be on channel 24 and the coverage area will be small. See:
http://dl.dropbox.com/u/3990811/translator.pdf

If you have google earth software, this will give a more detailed view:
http://dl.dropbox.com/u/3990811/kfsm-24-contour.kml
Save it and click it to open in google earth.
post #3129 of 3401
Will that affect fox and NBC, who are also on channel 24?
post #3130 of 3401
KFTA (fox/nbc) broadcasts on channel 27. They still ID using their old analog channel 24. Which I think is stupid & (obviously) confusing.

KFSM 24 will ID as KFSM channel 5-1. This will also confuse some TVs that already get KFSM 5-1 on channel 18.
post #3131 of 3401
I have noticed a big drop in signal strength for KNWA the past few days. I usually pick it up at 100%, but now get only around 55%.
post #3132 of 3401
Is anyone else having reception problems with KFTA and KNWA tonight?
post #3133 of 3401
OTA 24-01 KFTA is out in for me in Van Buren and on Dish, the HD KFTA feed is in SD instead of HD. Bad timing since Packers/Falcons is on.
post #3134 of 3401
Same for me. I'm in van buren and I have no fox or NBC signal 24-1 & 24-2
post #3135 of 3401
Off here in Carroll County, too. Contact mcleveland@knwa.com

I've never seen a market where stations had more trouble staying on the air than FSM/NWA. Glad we have alternatives (KSFX 28 - FOX Springfield) up here near the Ark/MO border.
post #3136 of 3401
I noticed a drop in coverage on KNWA-HD (51.1) and KFTA-SD (51.2) last week also. It seems to be fine now.

Being that I'm in Bentonville, I've never been able to pickup KFTA-HD, but hope to with my new CM 4228-HD on the way. (Thanks for the recommendation arxaw!)

Anyone else in Bentonville getting KFTA-HD?
post #3137 of 3401
Lug77,
You want an antenna that is peaked for your weakest channels.
Here's a comparison of some popular 8-bay antennas like the 4228HD and DB8.
http://www.antennahacks.com/Comparis..._vs_HD8800.htm
As you can see, the 4228 has the best gain for your weakest UHF channels 15(khog "29-n"), 18 (kfsm "5-n"), 27 (kfta "24-n"). It has less gain for the upper UHF chs like 50 (knwa), but knwa is your closest station.

Here is the comparison for highband VHF chs like kaft 9 ("13-n"):
http://www.antennahacks.com/Comparis...F_Shootout.htm
post #3138 of 3401
Quote:
Originally Posted by arxaw View Post

Lug77,
You want an antenna that is peaked for your weakest channels.
Here's a comparison of some popular 8-bay antennas like the 4228HD and DB8.
http://www.antennahacks.com/Comparis..._vs_HD8800.htm
As you can see, the 4228 has the best gain for your weakest UHF channels 15(khog "29-n"), 18 (kfsm "5-n"), 27 (kfta "24-n"). It has less gain for the upper UHF chs like 50 (knwa), but knwa is your closest station.

Here is the comparison for highband VHF chs like kaft 9 ("13-n"):
http://www.antennahacks.com/Comparis...F_Shootout.htm

Yeah, I saw that report after you suggested the 4228-HD.

BTW, I saw an earlier post about KFTA upgrading to 1000kw. I asked a contact I have at KNWA/KFTA and he said that they have no plans for an upgrade.

May I ask were it was heard that their application to upgrade was approved?
post #3139 of 3401
Just wanted to send an update on the current status of my new antenna installation. My end goal is to add 24.1 to my line up.

My Current Setup:
RCA ANT806 roof mounted @ about 20' above ground pointed direct south.
Hauppauge WinTV-HVR-2250 Tuner in Win7 HTPC


----------------------
|Channel__|---|SNR DB|
----------------------
|KFSM 05.1|---|__30__|
|KAFT 13.1|---|__30__|
|KFTA 24.1|---|___0__|
|KHOG 29.1|---|__29__|
|KPBI 34.1|---|_27.5_|
|KNWA 51.1|---|_24.5_|
----------------------

-------------------------
|SNR 30 is full strength|
-------------------------


Tonight, I connected the CM 4228-HD from inside the living room just to see what it would do. While holding it up at about 8', I was able to get the same line up with the old antenna, but no KFTA (24.1) yet. It's a little promising because with my old antenna I couldn't get KAFT (13.1) until it was 20' in the air. Hopefully once I get the new one up in the air it will be able to get KFTA.

Tomorrow evening, I plan to get it up in the attic to see what it will do at about 30'. If, that doesn't do it, I'll have to wait until the weather is decent enough to get on the roof.
post #3140 of 3401
A typical attic install may lower signal strength up to 50% or so. If you have a metal or tile roof, foil backed insulation of any kind or metallic or mylar HVAC ductwork in the attic, expect much worse results than an outdoor install. Of course in this weather, doing an outdoor install right now would not be too easy!
post #3141 of 3401
I don't have real high hopes for the attic install. I just figured I'd try it until I can get on the roof. Of coarse with a decent amount of snow on the roof, I will be shocked if it actually does work fully in the attic.
post #3142 of 3401
I tried several different locations in the attic but no luck. As soon as the snow melts off the roof and it's not terribly cold or windy, I'll mount it up there.
post #3143 of 3401
I did a test on the roof this afternoon but was disappointed to find that it still wouldn't get KFTA-HD. Being that I didn't get started until 4:00, I ran out of sunlight to try it out in other than one location.

Later this evening I decided to try it in the attic again but connected it to the bedroom htpc since it was on a much shorter connection. After trying several different locations, I found a sweet spot right between to HVAC ducts. It actually seemed liked they helped the reception! I put a splitter on it and was surprised that I could actually pick it up in the living room also which is on a 30-40 ft line. I'm only getting it at about 18 SNR, on both sides, while all the rest of the channels are in the mid to upper 20s so I expect that any type of weather will probably kill the signal.

Also, I realized that my test on the roof wasn't valid because I forgot to remove the power connection for the built-in pre-amp on the old antenna. I sure this skewed the results some.

So the plan going forward is to wait and see how it holds up in the current attic location. I may go ahead and add a pre-amp to see if it will boost the strength any. Once I get it more permanently mounted, I'll post some pics.
post #3144 of 3401
Quote:
Originally Posted by Lug77 View Post

I did a test on the roof this afternoon but was disappointed to find that it still wouldn't get KFTA-HD. Being that I didn't get started until 4:00, I ran out of sunlight to try it out in other than one location.

Later this evening I decided to try it in the attic again but connected it to the bedroom htpc since it was on a much shorter connection. After trying several different locations, I found a sweet spot right between to HVAC ducts. It actually seemed liked they helped the reception! I put a splitter on it and was surprised that I could actually pick it up in the living room also which is on a 30-40 ft line. I'm only getting it at about 18 SNR, on both sides, while all the rest of the channels are in the mid to upper 20s so I expect that any type of weather will probably kill the signal.

Also, I realized that my test on the roof wasn't valid because I forgot to remove the power connection for the built-in pre-amp on the old antenna. I sure this skewed the results some.

So the plan going forward is to wait and see how it holds up in the current attic location. I may go ahead and add a pre-amp to see if it will boost the strength any. Once I get it more permanently mounted, I'll post some pics.

Glad you found a hot spot for KFTA. Usually, metal in the attic will be detrimental to reception, but if in the right spot, it could actually help. And leaving pieces of a preamp in the line could very well adversely affect reception.

If you decide to add a preamp, the Channel Master 7777 is a very good high gain, low noise preamp used by many AVSForum members. Many cheapie amps sold at big box stores are too noisy and often don't help reception.

The 4228HD + 7777 combo should work, assuming your TVFool report was correct for your location. It easily pulls in KFTA at this address, which has a lower NM(dB) than your TVFool report had.
post #3145 of 3401
KFTA was pretty flaky during the day, at about 5:00 the signal cleared up. I went ahead and ordered the CM7777 to see if this will take care of the issue. I should have it by Wednesday and hopefully I can post some good news on Thursday.
post #3146 of 3401
The 7777 should help with the weak KFTA signal, which is further weakened by splitting it to two tuners in the Hauppauge 2250.

Also, make sure you're using RG6 coax, not RG59, and the coax should be a home run to the Hauppauge (with no splitters in the coax).
post #3147 of 3401
Never thought of it that way. Does the Hauppage 1600 also split since it's a Hybrid NTSC / ATSC card? I'm asking because that's what is in the bedroom htpc and it pulls it in a little better. I figured that was just because it's got a shorter run to the antenna.

As for the type of coax, I'll need to get up there and look. I'm thinking it is RG6 because when I originally had U-verse installed the tech had to replace the line between the two rooms since the original cable couldn't hold a strong enough signal to connect the receivers together. Now I'm just using that same cable for the antenna because they conveniently had a junction point right where I needed it.

BTW, do I have to figure for loss on the junction points also? There should just be one on each connection where it comes out of the wall.
post #3148 of 3401
Quote:
Originally Posted by Lug77 View Post

Never thought of it that way. Does the Hauppage 1600 also split since it's a Hybrid NTSC / ATSC card? I'm asking because that's what is in the bedroom htpc and it pulls it in a little better. I figured that was just because it's got a shorter run to the antenna.

Hmm, I overlooked the fact that you were splitting it to two separate locations. The 2250 has two ATSC tuners. If the 1600 also has two ATSC tuners, it is also splitting the signal internally, 2 ways (4 splits total). However, if it's only a single ATSC/NTSC tuner, it is not split, which might explain why it works better. It's also possible there is just less loss on the bedroom run. Regardless, at your distant location from KFTA and the likely number of splits & coax involved, you definitely need the 7777 preamp.


Quote:


As for the type of coax, I'll need to get up there and look. I'm thinking it is RG6 because when I originally had U-verse installed the tech had to replace the line between the two rooms since the original cable couldn't hold a strong enough signal to connect the receivers together. Now I'm just using that same cable for the antenna because they conveniently had a junction point right where I needed it.

BTW, do I have to figure for loss on the junction points also? There should just be one on each connection where it comes out of the wall.

Your splitter needs to be a 2-port splitter that goes up to at least 700mhz or higher. It must also pass DC on one port and block DC on the other, to prevent damage to a tuner and/or the preamp power supply. Example here:
http://www.thesatelliteshop.net/5100...ng-p-1562.html


By junction points, if you mean a wall outlet; if they are in good shape, the loss there should be negligible.
post #3149 of 3401
The Hauppauge 1600 has a single ATSC/NTSC tuner. Also, I checked the cables and the 40' - 50' run to the living room is RG59 while the 10' - 15' run to the bedroom is RG6. All good reasons why the bedroom is slightly better.

When I install the CM-7777 I'll be able to plug the power adapter in before the splitter since I have an A/C connection in the attic. Considering this, I should be fine to stay with my current 1GHz 2-Way PDI Mega Splitter as long as I connect it after the power adapter?

Here's a basic diagram on how I plan to set it up.

Attachment 199334

If the living room still gives me fits after the pre-amp, I'll replace the RG59 run with RG6.
LL
post #3150 of 3401
Quote:
Originally Posted by Lug77 View Post
The Hauppauge 1600 has a single ATSC/NTSC tuner. Also, I checked the cables and the 40' - 50' run to the living room is RG59 while the 10' - 15' run to the bedroom is RG6. All good reasons why the bedroom is slightly better.

When I install the CM-7777 I'll be able to plug the power adapter in before the splitter since I have an A/C connection in the attic.
Attic location is great, and summer heat up there shouldn't be an issue. I've had our 7777 power supply in the attic for years, with no problems. And having the splitter on the "TV" side of your power supply simplifies everything.
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