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Richard wrote:
I can mess around with the models quite freely, but perfecting the design to a level that is both electrically and mechanically sound is right now beyond me. What you are saying is that this task is such a huge one and requires great skill. Not easy then for your regular Joe ham to do much with the models in a practical way. He/she has to become something of an antenna buff for that to transpire. A few years ago, if any amateur got involved in the esoteric art of antenna modelling, it was because he or she was *already* an advanced antenna buff, with lots of hands-on experience of making antennas work. After learning about modelling, with all its tricks and traps, the next challenge was to learn how to translate the models back into workable hardware. But at least that was building a bridge between two solid foundations. Now, it's becoming the other way around - the modelling is more accessible than the hands-on experience. Without that practical experience, translating a model into reality is like building a bridge to nowhere. It isn't "something for someone [else] to do." Someone else can run models for you, but only the person with the hardware in their hands can work out how to build the real thing. However, about the worst you can do is cut the elements to the wrong lengths. The program on my website (see earlier posting) will help, and you should also read all three of the links from that same page. If you come back with a question more like: "I've tried to work out how to do this. Here are the model dimensions, here are my cutting dimensions, and here's why. Does this look reasonable?" then I'm sure you'll get a lot more help. (Coffee mug's empty... back to the window-frames.) -- 73 from Ian G3SEK 'In Practice' columnist for RadCom (RSGB) http://www.ifwtech.co.uk/g3sek |
#2
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![]() "Ian White, G3SEK" wrote in message ... Richard wrote: I can mess around with the models quite freely, but perfecting the design to a level that is both electrically and mechanically sound is right now beyond me. What you are saying is that this task is such a huge one and requires great skill. Not easy then for your regular Joe ham to do much with the models in a practical way. He/she has to become something of an antenna buff for that to transpire. A few years ago, if any amateur got involved in the esoteric art of antenna modelling, it was because he or she was *already* an advanced antenna buff, with lots of hands-on experience of making antennas work. After learning about modelling, with all its tricks and traps, the next challenge was to learn how to translate the models back into workable hardware. But at least that was building a bridge between two solid foundations. Now, it's becoming the other way around - the modelling is more accessible than the hands-on experience. Without that practical experience, translating a model into reality is like building a bridge to nowhere. It isn't "something for someone [else] to do." Someone else can run models for you, but only the person with the hardware in their hands can work out how to build the real thing. However, about the worst you can do is cut the elements to the wrong lengths. The program on my website (see earlier posting) will help, and you should also read all three of the links from that same page. If you come back with a question more like: "I've tried to work out how to do this. Here are the model dimensions, here are my cutting dimensions, and here's why. Does this look reasonable?" then I'm sure you'll get a lot more help. (Coffee mug's empty... back to the window-frames.) Okay, well, I'll do some more work on it and come back. When I made my post, I'm not just thinking of myself, others too might have liked to see full constructional notes. That's part of the circumstances (for those (not you Ian) who perhaps cannot have comprehended that). |
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