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#1
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On Jun 25, 3:51*pm, Eskay wrote:
On Sat, 25 Jun 2011 03:59:55 -0700 (PDT), dave wrote: On Jun 24, 6:16*pm, "Sal M. Onella" wrote: I've participated in Field Day every year since 1993, when I was first licensed. *Because I had a big 2m beam, I worked that band aggressively, sometimes making the most QSOs. Unfortunately we lost our hilltop FD site in 2009 and the 2m production "down low" was disappointing in '09 and '10. This year some youngsters want to work 2m, so I'm moving to HF, 20m being the most promising, I think. *With the help of EZNEC (evaluation version), I modeled a promising 20m dipole at 30'. It's almost exactly 75 ohms resistive at the freqs I want to use and I'm going to feed it with RG-6, 0.7 dB/100 feet. My radio has an internal tuner to match the 75-ohm cable, if I need it. I'll report the results. "Sal" KD6VKW ("Vicious Killer Weasel") wow, it takes eznec to model a dipole for field day now? *not that many years ago i ran a competition at field day... given a hunk of coax(with one connector installed), a roll of wire, and some random pieces of rope, cut a 10m dipole, get it up in the air, and make a contact. *no eznec, a tape measure if you really wanted it, and who knows what the coax was. You take all the fun out of a guy's efforts. too many people spend all their time analyzing antennas and no time using them. |
#2
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On 6/26/2011 6:44 AM, dave wrote:
On Jun 25, 3:51 pm, wrote: On Sat, 25 Jun 2011 03:59:55 -0700 (PDT), dave wrote: On Jun 24, 6:16 pm, "Sal M. wrote: I've participated in Field Day every year since 1993, when I was first licensed. Because I had a big 2m beam, I worked that band aggressively, sometimes making the most QSOs. Unfortunately we lost our hilltop FD site in 2009 and the 2m production "down low" was disappointing in '09 and '10. This year some youngsters want to work 2m, so I'm moving to HF, 20m being the most promising, I think. With the help of EZNEC (evaluation version), I modeled a promising 20m dipole at 30'. It's almost exactly 75 ohms resistive at the freqs I want to use and I'm going to feed it with RG-6, 0.7 dB/100 feet. My radio has an internal tuner to match the 75-ohm cable, if I need it. I'll report the results. "Sal" KD6VKW ("Vicious Killer Weasel") wow, it takes eznec to model a dipole for field day now? not that many years ago i ran a competition at field day... given a hunk of coax(with one connector installed), a roll of wire, and some random pieces of rope, cut a 10m dipole, get it up in the air, and make a contact. no eznec, a tape measure if you really wanted it, and who knows what the coax was. You take all the fun out of a guy's efforts. too many people spend all their time analyzing antennas and no time using them. And some people spend all their time complaining about other people analyzing antennas. Take your own advice. |
#3
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On 6/26/2011 6:44 AM, dave wrote:
On Jun 25, 3:51 pm, wrote: On Sat, 25 Jun 2011 03:59:55 -0700 (PDT), dave wrote: wow, it takes eznec to model a dipole for field day now? not that many years ago i ran a competition at field day... given a hunk of coax(with one connector installed), a roll of wire, and some random pieces of rope, cut a 10m dipole, get it up in the air, and make a contact. no eznec, a tape measure if you really wanted it, and who knows what the coax was. You take all the fun out of a guy's efforts. too many people spend all their time analyzing antennas and no time using them. That is a disease that affects, as a SWAG, about 80% of the core population here. Then there are the people that ask questions because they are trying to actually build something. Who almost always get what is effectively GobbldeeGook in response. All they just want to know how to make something that is "OK, works good enough" and they have to wade through dozens of useless responses to _maybe_ get one that's worthwhile. Welcome to rraa, where no one "important" ever agrees. tom K0TAR |
#4
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On 6/27/2011 10:19 PM, tom wrote:
Then there are the people that ask questions because they are trying to actually build something. Who almost always get what is effectively GobbldeeGook in response. Hi Tom, This reminds me, is Art still around? I hope nothing has happened to the old gent. (I've been absent for several months) - 73 de Mike N3LI - |
#5
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On 6/27/2011 10:20 PM, Mike Coslo wrote:
On 6/27/2011 10:19 PM, tom wrote: Then there are the people that ask questions because they are trying to actually build something. Who almost always get what is effectively GobbldeeGook in response. Hi Tom, This reminds me, is Art still around? I hope nothing has happened to the old gent. (I've been absent for several months) - 73 de Mike N3LI - Haven't seen him since roughly the new year. His protege is back though. tom K0TAR |
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