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#1
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Hi Everyone,
I'm not sure if this is the correct newsgroup for this type of question - sorry if I've posted in the wrong newsgroup. I want to ditch my cable and go with an antenna. I'm trying to figure out what would be the best type for my location. All the channels thatI want to pick up are less than or equal to 25 miles from my home, except for one. The one that is the greatest distance away, FOX, is 30 miles away from my home. All of the channels that are less than or equal to 25 miles are between 12 o'clock and 1 o'clock. They consist of a mixture of VHF and UHF channels. FOX (30 miles away) is at my 2 o'clock and is a UHF channel. Antennaweb.org says I need a large directional with pre-amp antenna in order to pick up FOX, but I can't get something that big to put on the side of my house. My wife will scream bloody murder if I did that. I have no obstructions of the sky in the directions that the antenna will have to point. What type of antenna would be best for my circumstance? I would prefer something that is small and not very noticeable (maybe something that could pass for a DirecTV dish). Also, I would prefer to have it point in a fixed direction so that I do not have to turn it in order to view different channels. I'm planning on getting a HDTV in the near future. Do I need a special type of antenna in order to view a TV program in HD or will any antenna work? Thanks, CR Junk |
#2
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I'm not sure if this is the correct newsgroup for this type of question
- sorry if I've posted in the wrong newsgroup. I want to ditch my cable and go with an antenna. I'm trying to figure out what would be the best type for my location. All the channels thatI want to pick up are less than or equal to 25 miles from my home, except for one. The one that is the greatest distance away, FOX, is 30 miles away from my home. All of the channels that are less than or equal to 25 miles are between 12 o'clock and 1 o'clock. They consist of a mixture of VHF and UHF channels. FOX (30 miles away) is at my 2 o'clock and is a UHF channel. Antennaweb.org says I need a large directional with pre-amp antenna in order to pick up FOX, but I can't get something that big to put on the side of my house. My wife will scream bloody murder if I did that. I have no obstructions of the sky in the directions that the antenna will have to point. What type of antenna would be best for my circumstance? I would prefer something that is small and not very noticeable (maybe something that could pass for a DirecTV dish). Also, I would prefer to have it point in a fixed direction so that I do not have to turn it in order to view different channels. I'm planning on getting a HDTV in the near future. Do I need a special type of antenna in order to view a TV program in HD or will any antenna work? I'd say that AntennaWeb is giving you pretty decent advice. It's perhaps a bit conservative but not excessively so. I'm operating under similar circumstances - I'm near the south of the San Francisco peninsula about 35-40 miles away from the transmitters in San Francisco. We get a good, clean picture using a "medium fringe" UHF/VHF antenna (log-periodic plus corner reflector), mounted on a 18' mast on the roof (antenna height above ground is somewhere around 30'). We do have an amplifier for our indoor signal distribution, but could probably get away without one if we were only driving one or two TVs/tuners. We don't need to use the rotator, since all but one of the stations are north of us. The one exception is a San Jose station, which is right "off the back" of the main antenna. We *would* need to use the rotator, but I built a separate single-channel Yagi antenna and pointed it at San Jose and used a combiner. Most people around here who have roof antennas, have ones which are in roughly the same ballpark as ours... some higher, some not quite so high. The height helps a lot - an antenna down at roof level is going to "see" its horizon only about half as far away as an antenna with an extra 15' of height, and that's enough to make the difference between a clean ghost-free signal and one that's pretty noisy or ghosty. Most TV antennas have a relatively broad forward beamwidth. Your "noon to 2 o'clock" antenna pattern is about 60 degrees, which is probably going to be workable for a standard medium-fringe log-periodic antenna design if you've got the antenna up high enough. If you don't have enough height, then you're going to have a substantially weaker signal hitting the antenna, which would mean you'd need more antenna gain, which means a longer and more obvious antenna and a narrower beam-width, which might require a rotator. A small, roof-mounted, non-obvious antenna which might pass itself off as a satellite dish is likely to be nearly omnidirectional, having little or no gain, and in your situation it won't "get a good look" at the transmitters (they may be over the horizon), and you won't get a good signal. The requirements for digital TV (hi-def or standard-def) are not all that different from the requirements for NTSC analog. If you have a non-snowy, non-ghosty analog TV picture, you'll likely get a good digital-TV signal from any digital TV transmitter operating at full power. However, since most DTV transmitters today seem to be running at reduced power to avoid interference with nearby*analog-TV frequencies, you can't necessarily count on getting a good digital signal lock. If your analog TV signal is noisy or ghosty, receiving digital TV properly is likely to be a problem. Unfortunately, there's no real substitute for a good antenna, up on a mast, clear of trees and buildings and other obstructions, pointed in the correct direction. Any compromise you make from that, will probably compromise the signal to some extent. -- Dave Platt AE6EO Hosting the Jade Warrior home page: http://www.radagast.org/jade-warrior I do _not_ wish to receive unsolicited commercial email, and I will boycott any company which has the gall to send me such ads! |
#3
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Thanks for the info Dave. I've been doing a little research and I'm
thinking about trying a DB4 antenna to see how it does. I've read some post where people said it did well when they set it up inside their attic. If the attic doesn't work, they I may see about attaching it to the chimney on my house. Maybe this will do the trick. Doe anyone have any opinion on the DB4 antenna? CR Junk |
#4
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![]() wrote in message oups.com... Thanks for the info Dave. I've been doing a little research and I'm thinking about trying a DB4 antenna to see how it does. I've read some post where people said it did well when they set it up inside their attic. If the attic doesn't work, they I may see about attaching it to the chimney on my house. Maybe this will do the trick. Doe anyone have any opinion on the DB4 antenna? CR Junk If it's a 2 story house, I would try something in the attic. I have a Radio Shack $24.99 UHF Corner Reflector Yagi on the vent pipe up on the roof with a rotator and ChannelMaster amplifier. My local stations are 26 - 35 miles away. Most days I also get HDTV from Philadelphia stations 64 miles away. A lot of this is going to depend on how much power the stations are transmitting. The stations I am picking up are 100KW to 700KW. VHF stations will operate with a lot less. The orientation of the house is such that you can not see the TV antenna from the front of the house. Tam/WB2TT |
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