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I have not looked at all the NY stations, but for those I have identified the co-channel interferer, you would need an antenna with as much as 92 dB of rejection in the direction of the nearby station which is on the same real channel.
If the number was between 20 and 30 dB I would say, 'build a huge experimental / hobby rhombic array'. But I don't think the CIA, NSA, or Men in Black have ever built an antenna with even a fraction of the performance you would need.
And just because the question gets asked, a lot, NO!, an amplifier or filter won't change the laws of physics. A crude analogy would be, you want to find a microphone that will let you record the breath of a sleeping baby a mile away, while the microphone is in a hospital nursery with six crying babies. More precisely, this would be like shining a 5 Watt Christmas tree bulb on a wall in a room lit by a 7,924,465,962 Watt bulb, and trying to find a detector that could tell you if the Christmas bulb was on or off. (Yes, that number is almost 8 Billion. The math is 5 * 10^9.2)
How about this idea, make friends with someone in the NY area if you don't already know people there. Build and operate a HTPC remotely, downloading recorded shows over a VPN. (Most DSL and cable internet links will not have enough bandwidth to stream real time OTA data rates.)
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If the well is dry and you don't see rain on the horizon, you'll need to dig the hole deeper. (If the antenna can't get the job done, an amp won't fix it.)
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Last edited by GroundUrMast; 5-Apr-2011 at 5:26 PM.
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