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Originally Posted by newview
I live in far north-east Iowa; along the Mississippi; in a little town called Guttenberg. I'm nestled in the river valley with a tall bluff to my west in my back yard. Antenna web says the only digital channel i can receive is KFXB-DT 40.1 Dubuque. All the others are analog from Waterloo and Cedar Rapids, ranging in the 45 to 50 mile range. I am about to receive my Samsung 6168, and decided to give my 4228a Channel Master antenna a try. I mounted a Channel Master 7777 pre-amp, and hooked it to a Sony 200HD. All i did is set the antenna on the ground in my back yard, and moved it around. I did a scan for antenna, and digital ant on the Sony, and i am able to receive Dubuque 40 and Waterloo 7 and 32 and Cedar Rapids 9. My problem is none of them come in real clear; much less high def. Do i need to wait for my high def display, or is ota high def wishful thinking in my situation. My zip is 52052. Is their anybody close to me receiving ota high def?
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Newview,
I don't live in your area, but a few suggestions before you throw in the towel:
1. Put the antenna on the roof. At ground level, you get all sorts of ground
reflections that ghost and snow your analogs. Get someone to do it while
you scan the channels, or teach someone to while you move the antenna.
2. Make sure the cable you are using is RG-6 (I like quad shielded, it helped
me out, more on that in a moment).
3. Step away from the antenna while on the roof after you point it towards
Waterloo, and then Cedar Rapids. At that distance (50 miles), you MIGHT
need a rotator to get all the stations from CR and Waterloo.
My story: I am 61 miles west of Sears Tower, also low in a river valley. I
have the CM 4228/7777 setup you do. Let's make it worse: I don't own the roof
of my townhome, so the antenna is in the attic, reducing the signal by 20 dB
(reducing by 3 db reduces it by 50%. Yep, I lose 90% of my signal to my attic!
And oh yeah, there's a townhouse east of me partially blocking the signal, and the river is beyond that.
With all that can go wrong, I can still lock all but two TV stations from Chicago
essentially all the time except in big "skip" conditions. One station
that I can't is a UHF at 15.1 kw of power; the max they can run is 1 mw.
I do lock it frequently at night, though. The other is the dreaded WBBM-DT,
drowned out by atmospheric noise, thunderstorms, blenders and whatnot
past 40 miles out.
So, yes, your river valley is deeper than mine, no question, but *do not*
under any circumstances do a ballpark estimate that far away from a
transmitter at ground level, in a river valley. I fully expected to get only
stations from nearby Rockford, IL. Needless to say, I was very pleasantly surprised and happy to see the results. Best of wishes and let us know
what happens!