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I have an old antenna in the attic. When i moved into my house i hooked it up to the tv. It works ok. Some channels dont come in perfect some of the time. I've tried adjusting it w/ no luck. I see these new style antennas for sale on line. http://www.antennahub.com/highgainoutdoorhdtvantennawithmotorrotorax-909-preorder.aspx Are they better then the old style? Has anyone tried both?
On 9/1/2010 11:05 PM, Jdog wrote: > I have an old antenna in the attic. When i moved into my house i > hooked it up to the tv. It works ok. Some channels dont come in > perfect some of the time. I've tried adjusting it w/ no luck. I see > these new style antennas for sale on line. XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX SPAM? Antennas come in all flavors. The technology is old. > > Are they better then the old style? > Has anyone tried both? I'm suspicious of the stats for the "new", 35 dB is very high. Built in preamp? Check what kind of antenna you need: http://www.antennaweb.org/aw/welcome.aspx Jeff
On Wed, 1 Sep 2010 20:05:02 -0700 (PDT), Jdog <j...@gmail.com> wrote: >I have an old antenna in the attic. When i moved into my house i >hooked it up to the tv. It works ok. Some channels dont come in >perfect some of the time. I've tried adjusting it w/ no luck. I see >these new style antennas for sale on line. > > >Are they better then the old style? We don't know what the old style is that you refer to. You don't describe it. Take a look at www.solidsignal.com . They don't sell anything like the one in your picture. One thing the one in the ad has is a rotor. I have had one with a rotor and I found it a pain in the neck. I just picked the best overall direction and I stayed with that. IF the rotors gave good feedback, so I could tell which way they were pointed for a station that gave the best signal, that would be one thing, but they give estmates at best, afaict. Your ad doesn't go into that so it's no better than the others, I would think. They don't call their antenna a digital antenna. I'll give them credit for that (or they're repeating what is on the box and they got these antennas out of a warehouse where they have been for 5 or more years.) There is nothing different about a digital and an analog antenna. However becuase of the deficiencies of digital, one may need a better antenna. >Has anyone tried both? I used to use a 6 foot piece of single strand wire, and I got all the local digital stations, but I wanted to get the DC station, 40 miles away, so I bought the biggest 7 to 86 antenna I thought would fit in my attic. It's pointed at DC and it too gets Baltimore but with the same interruptions at times. I plan to buy a second omnidirectional one, and use a splitter (combiner) to connect both to my DVDR, etc. Also probably an amplifier, although solid signal sells so many I don't know which one. I haven't found a good web page about that so I have been meaning to call them for advice. Even better than antennaweb imo is TVfool.com It will tell you all the stations in your area, what channel they are broadcasting on, from what direction and from how far away. Few tv stations use channels 2 to 6, even if you tune your tv to 2 or 6, they are really on another frequency. In all but a very few areas of the US there is at least one major station that uses at least one channel 7 to 13, so you will need high-VHF. If you don't have even one channel bellow 14, you can get a UHF only antenna. If you don't need channels 2 to 6, you don't need an antenna with the really big elements. I think the longest on mine are 3 or 4 feet, because I have no stations below channel 7.
On Wed, 1 Sep 2010 20:05:02 -0700 (PDT), Jdog <j...@gmail.com> wrote: >I have an old antenna in the attic. When i moved into my house i >hooked it up to the tv. It works ok. Some channels dont come in >perfect some of the time. I've tried adjusting it w/ no luck. I see >these new style antennas for sale on line. > >Are they better then the old style? >Has anyone tried both? I just noticed the dimensions. Dimensions: 22.8" x 17.7" x 25.8" I'm not sure which dimension refers to what, but all but one of the elements are smaller than the maximum in the same direction. They are folded over, but I'm not sure that's good. Let's assume it's not bad. It still leaves those elements at about 3/2 the dimension, ad most 38", and 5 of the 6 of them are the same size. (or 7. One or two things are reflectors) The antennas they have been selling for 60 years have elements of different lengths because there are channels of different wavelengths. The better antenanas have more elements, each of a different length. Let's assume it could be bad to have the element folded over. It could be because the same tv signal will induce a current in one direction in one half of the element and in the opposite direction in the ohter half of the element. Or maybe not, but it seems that way to me. Ah, but it probably has an amplifier. It's much better to have a strong signal from the antenna, than a weak signal that is amplified. Amplifiers are recommended when there is a long distance from the antenna to the tv. Of course maybe that used to be more true, because the antenna would amplify the "noise" too. Now most noise is filtered out in the process of digital detection. Maybe. I'm no techie. That said, I'm dissatisfied with my big antenna and I'm going to buy an amplifier on the hopesw that it will help. The first week the antenna was in the attic, I got channel 26, and channels 30.1 to 30.5. Teh channels 30 are even farther from me than DC, but I hven't gotten them again except in the middle of the night. So I do have a signal but maybe it is too weak.
On Wed, 1 Sep 2010 20:05:02 -0700 (PDT), Jdog <j...@gmail.com> wrote: >I have an old antenna in the attic. When i moved into my house i >hooked it up to the tv. It works ok. Some channels dont come in >perfect some of the time. I've tried adjusting it w/ no luck. I see >these new style antennas for sale on line. > >Are they better then the old style? >Has anyone tried both? "Any Color Code - This large directional antenna can be used in any color code specified on AntennaWeb.org " Yeah, you can use it, but will it work? I wish they had phrased this differently, or maybe they knew exactdly what they were doing and phrased it just so so they couldn't be charged with lying. I forget what the 7th color is but if this antenna will bring in signals from that range, I'll eat my hat. This is all they say about tmiles. "This long range digital outdoor HD TV antenna has been known to pick up stations that are around 150 miles away. We have had customers call and tell us how happy they were with their antenna because they were able to pick up stations up to 150 miles away. We have even had customers tell us they were able to pick up US broadcasts from Canada. So we are very confident that this antenna will work for you." Baloney. Because of the curvature of the earth, no one can get tv from 150 miles away unles somewhere there is a transmitting antenna many times higher than any near you. They amaybe talking about people who live 150 miles from the CN Tower, which is the 3rd highest tower (that is, including tall buildings) in the world, 1815 feet. Do you live within 150 miles of Toronto? If not, forget it. It's getting late for me, butyou can check this out. http://www.google.com/#num=100&hl=en&newwindow=1&q=cn+tower+tv+channels&aq=f&aqi=g1&aql=&oq=&gs_rfai=&pbx=1&fp=b7ba7271b f89c8c4
"mm" <N...@bigfoot.com> wrote in message news:7...@4ax.com... > On Wed, 1 Sep 2010 20:05:02 -0700 (PDT), Jdog <j...@gmail.com> > wrote: > > >I have an old antenna in the attic. When i moved into my house i > >hooked it up to the tv. It works ok. Some channels dont come in > >perfect some of the time. I've tried adjusting it w/ no luck. I see > >these new style antennas for sale on line. > > > > > >Are they better then the old style? > > We don't know what the old style is that you refer to. You don't > describe it. > > Take a look at www.solidsignal.com . They don't sell anything like > the one in your picture. > > One thing the one in the ad has is a rotor. I have had one with a > rotor and I found it a pain in the neck. I just picked the best > overall direction and I stayed with that. IF the rotors gave good > feedback, so I could tell which way they were pointed for a station > that gave the best signal, that would be one thing, but they give > estmates at best, afaict. Your ad doesn't go into that so it's no > better than the others, I would think. > > They don't call their antenna a digital antenna. I'll give them > credit for that (or they're repeating what is on the box and they got > these antennas out of a warehouse where they have been for 5 or more > years.) There is nothing different about a digital and an analog > antenna. However becuase of the deficiencies of digital, one may > need a better antenna. > > >Has anyone tried both? > > I used to use a 6 foot piece of single strand wire, and I got all the > local digital stations, but I wanted to get the DC station, 40 miles > away, so I bought the biggest 7 to 86 antenna I thought would fit in > my attic. > > It's pointed at DC and it too gets Baltimore but with the same > interruptions at times.I'm in the same area and in the same boat and live in the shadow of a hill that obscures the line of sight with the big TV antenna complex near the Sears near Tenleytown. The problem I had with the rotor is that my DVR has no way to rotate the aerial to the proper direction for the channel I want to record. Since I have two DVRs, I ended up putting two antennas in the attic: one optimized for DC and the other for Baltimore. I segregate my recording based on that. Stations coming from Baltimore go to DVR one, stations from Washington, DVR two. Later this year, I am going to mount a tall mast on the chimney and put up the rotor again, with the largest aerial I can find to pull in the stations like 22 that broadcast from Annapolis, 90 degrees away from Baltimore or Washington and some other transmitters that aren't located with the other major towers. )-: I still get dropouts, though, from overhead planes, rain clouds and elves. (IOU, I am not sure what causes them, but I do know they proliferate at the ends of programs where they're saying "Of course, the killer had to be - silence, splotches, more silence and finally the picture returns). As fuzzy as analog was, I don't remember losing key parts of the transmission they way I do with digital. I've also discovered that there's an incredible variation in tuners. The Polaroid DVR doesn't get half the channels that a new, no name 7" portable can pull in off the same aerial. Probably a 7 year difference in date of manufacture, though. I have noticed that even my friends with FIOS have problems in rainstorms because the weather affects the satellite transmissions from orbit to the FIOS dishes. Still, I'm happy with basic cable, OTA HD and Netflix. And having a DVR with a commercial skip button. I don't think I could watch TV anymore without one. -- Bobby G.
mm wrote: > On Wed, 1 Sep 2010 20:05:02 -0700 (PDT), Jdog <j...@gmail.com> > wrote: > >> I have an old antenna in the attic. When i moved into my house i >> hooked it up to the tv. It works ok. Some channels dont come in >> perfect some of the time. I've tried adjusting it w/ no luck. I see >> these new style antennas for sale on line. >> >> Are they better then the old style? >> Has anyone tried both? > > "Any Color Code - This large directional antenna can be used in any > color code specified on AntennaWeb.org " > > Yeah, you can use it, but will it work? I wish they had phrased this > differently, or maybe they knew exactdly what they were doing and > phrased it just so so they couldn't be charged with lying. > > I forget what the 7th color is but if this antenna will bring in > signals from that range, I'll eat my hat. > > This is all they say about tmiles. > > "This long range digital outdoor HD TV antenna has been known to pick > up stations that are around 150 miles away. We have had customers call > and tell us how happy they were with their antenna because they were > able to pick up stations up to 150 miles away. We have even had > customers tell us they were able to pick up US broadcasts from Canada. > So we are very confident that this antenna will work for you." > > Baloney. Because of the curvature of the earth, no one can get tv from > 150 miles away unles somewhere there is a transmitting antenna many > times higher than any near you. They amaybe talking about people > who live 150 miles from the CN Tower, which is the 3rd highest tower > (that is, including tall buildings) in the world, 1815 feet. Do you > live within 150 miles of Toronto? If not, forget it. > > It's getting late for me, butyou can check this out. > > http://www.google.com/#num=100&hl=en&newwindow=1&q=cn+tower+tv+channels&aq=f&aqi=g1&aql=&oq=&gs_rfai=&pbx=1&fp=b7ba7271b f89c8c4 Getting stations from more than 150 miles away reliably and repeatedly may be impossible, but it DOES happen. E-layer reflections, IIRC, is what allows it. Under certain conditions, the cloud layer creates a tunnel of sorts that can carry signal past line of sight. I used to get it often in analog days, but have only noticed it once since the switch to digital. And that was with one of those powered indoor antennas, placed in a window. I'm in SW MI, two counties in from the big lake. I was playing with the converter box, and told it to auto-search. For about 4 hours, I was getting a station in Milwaukee WI, clear as a bell. I also need to replace what is left of my rooftop antenna, but have been procrastinating it for several years, since it would involve crawlspace time replacing cable runs. So when BigLots had the powered indoor antennas on sale for 20 bucks, I figured 'what the hell', and actually have had surprisingly good results with it. I can't get all the stations I want to get, but I can get the big 4 networks reliably, with a little trial and error turning the camera tripod I have the antenna sitting on. (No, no SWMBO lives here. Why do you ask?) -- aem sends...
On 9/2/2010 2:59 AM, mm wrote: > On Wed, 1 Sep 2010 20:05:02 -0700 (PDT), Jdog<j...@gmail.com> > wrote: > >> I have an old antenna in the attic. When i moved into my house i >> hooked it up to the tv. It works ok. Some channels dont come in >> perfect some of the time. I've tried adjusting it w/ no luck. I see >> these new style antennas for sale on line. >> >> Are they better then the old style? >> Has anyone tried both? > > I just noticed the dimensions. > > Dimensions: 22.8" x 17.7" x 25.8" > > I'm not sure which dimension refers to what, but all but one of the > elements are smaller than the maximum in the same direction. They > are folded over, but I'm not sure that's good. Let's assume it's not > bad. It still leaves those elements at about 3/2 the dimension, ad > most 38", and 5 of the 6 of them are the same size. (or 7. One or > two things are reflectors) > > The antennas they have been selling for 60 years have elements of > different lengths because there are channels o f different wavelengths. That's a LPDA (log periodic dipole array). A popular choice for UHF are bow tie. This antenna has large diameter closed loop elements which leads to a wide frequency range. That won't work well on VHF as the elements, particularly in the low range are small compared with the wavelength. Ditto on the reflector which becomes smaller than a wavelength. http://www.hdtvprimer.com/ANTENNAS/types.html I'd probably choose a different antenna, although if the OP know what stations and where this may work well. Most stations are now UHF but there are a few VHF. > > The better antenanas have more elements, each of a different length. > > Let's assume it could be bad to have the element folded over. It > could be because the same tv signal will induce a current in one > direction in one half of the element and in the opposite direction in > the ohter half of the element. Or maybe not, but it seems that way to > me. > > Ah, but it probably has an amplifier. It's much better to have a > strong signal from the antenna, than a weak signal that is amplified. > Amplifiers are recommended when there is a long distance from the > antenna to the tv. Of course maybe that used to be more true, because > the antenna would amplify the "noise" too. Now most noise is filtered > out in the process of digital detection. Maybe. I'm no techie. That is my take also. Note if you take the number of elements and do a rough gain calculation, the numbers don't add up to all antenna gain. My rough guess is about 8 dB or so. > > That said, I'm dissatisfied with my big antenna and I'm going to buy > an amplifier on the hopesw that it will help. > > The first week the antenna was in the attic, I got channel 26, and > channels 30.1 to 30.5. Teh channels 30 are even farther from me than > DC, but I hven't gotten them again except in the middle of the night. > So I do have a signal but maybe it is too weak. Might need to get it out of the attic. Jeff (used to hold a ham license, still remember something.... or part of something!)
On Sep 1, 11:05=A0pm, Jdogwrote: > I have an old antenna in the attic. When i moved into my house i > hooked it up to the tv. It works ok. Some channels dont come in > perfect some of the time. I've tried adjusting it w/ no luck. I see > these new style antennas for sale on line. > =A0http://www.antennahub.com/highgainoutdoorhdtvantennawithmotorrotorax-.= .. > > Are they better then the old style? > Has anyone tried both? IF IT IS A ROOF TOP OR EXTERIOR MODEL YOU CAN JUST ADD AN INLINE SIGNAL BOOSTER TO YOUR EXISTING ANTENNA THE MORE DB GAIN THE BETTER AN ANTENNA ROTOR PLUS THE AMP WILL KICK BUT BECAUSE YOU CAN ROTATE THE ARRAY AND HONE IN THE SIGNAL INTERIOR RABBIT EARS WITH OUT AMPLIFICATION ARE INSUFFICIENT THOUGH SOMEWHAT EFFECTIVE DEPENDING ON SIGNAL STRENGTH IN YOUR AREA AND HOME IAP
On 9/1/2010 10:05 PM, Jdog wrote: > I have an old antenna in the attic. When i moved into my house i > hooked it up to the tv. It works ok. Some channels dont come in > perfect some of the time. I've tried adjusting it w/ no luck. I see > these new style antennas for sale on line. > http://www.antennahub.com/highgainoutdoorhdtvantennawithmotorrotorax-909-preorder.aspx > > Are they better then the old style? > Has anyone tried both? It all depends on your situation. If that one is expensive it probably isn't worth it. I have 2 antennas in the attic. I have a largish yagi that pulls in the main local channels just great. They are all in about the same direction. But it does a poor job on channels to the side. So I made up one with a folded dipole vhf antenna and a bowtie uhf antenna. I mounted them in the attic with the folded dipole pointed at the main stations and the bowtie pointed at 90 degrees, so it could pick up the college station at Claremore. That is about 35 miles away, and it comes in fine. I do get an occasional drop out, which I suspect is a plane flying through the pattern. The folded dipole pointed at the major channels gets a good signal, but has more drop outs. I suspect that is because the signal path is right over a busy freeway, and trucks stick up high enough to cause reflections. You may have some or all of these conditions. I have cable so I didn't really need these, but I wanted to be able to get the signal off the air for bad times when the cable might be down (bad weather and such). Then I wanted the Claremore station because at the time they were showing Classic Arts Showcase 24 hours a day on the sub channel. Bill