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"Bob Brock" wrote in message
... On Wed, 10 Sep 2003 12:52:27 GMT, "charlesb" wrote: "Dick Carroll;" wrote in message ... The point is, Why would anyone deliberately construct a 1/4 wave dipole? Since they woiuldn't for obvious reasons, the fact that a dipole designed for a certain frequency just happens to be 1/4 wavelength at half that frequency doesn't automatically make it a 1/4 wave dipole. An antenna is what it was designed to be, not what some wag-troll declares. Sure, anyone *could* construct a 1/4 wave dipole, if he was that ignorant. No one does. So there aren't any around. Well now you've let the cat out of the bag, Dick. Somebody had convinced this Troll to use a 1/4 wave dipole, and now here you go, letting them know that they've been snookered. They just couldn't understand why the radio kept frying its finals and they never could seem to get a good signal out, even when the radio did work.... Now they know why! - And its all your fault! Party pooper. Charles Brabham, N5PVL What? Never heard of an antenna tuner? Yep, I just don't get it at all. I think they're the ones that got snookered. Kim W5TIT |
"Dick Carroll;" wrote in message
... charlesb wrote: "Dick Carroll;" wrote in message ... The point is, Why would anyone deliberately construct a 1/4 wave dipole? Since they woiuldn't for obvious reasons, the fact that a dipole designed for a certain frequency just happens to be 1/4 wavelength at half that frequency doesn't automatically make it a 1/4 wave dipole. An antenna is what it was designed to be, not what some wag-troll declares. Sure, anyone *could* construct a 1/4 wave dipole, if he was that ignorant. No one does. So there aren't any around. Well now you've let the cat out of the bag, Dick. Somebody had convinced this Troll to use a 1/4 wave dipole, and now here you go, letting them know that they've been snookered. They just couldn't understand why the radio kept frying its finals and they never could seem to get a good signal out, even when the radio did work.... Now they know why! - And its all your fault! Party pooper. Charles Brabham, N5PVL Well Charlie, they probably think that an antenna tuner will solve their ignorance. Heh heh! Maybe they should read the specs on that tuner's data sheet, then get into the books to see what they're actually attempting to match! With a little luck they'll get a signal to actually radiate, a little sometimes, between arcs inside that tuner. Hope it's not the internal autotuner in their high$$ rig! Dick Well, DICK, hopefully you can get an antenna to radiate because I'm pretty darned sure nothing else is radiating there. I have used my DXCC antenna many, many times over the years on MARS nets, with a Yaesu transceiver with automatic tuner. Now, maybe it's not a "constructed" dipole, but it was used nevertheless. Also, what's the big deal with a 1/4 wave dipole? Dipole simply means design of the antenna...granted, usually for 1/2 wave, which, as you know, doesn't require a groundplane. But there is no reason a 1/2 wave dipole could not be constructed. Also, perhaps you could tell me the resonant frequency of a long-wire antenna? Eh? Kim W5TIT |
In article , Bob Brock
writes: On 06 Sep 2003 11:22:30 GMT, (N2EY) wrote: In article , Bob Brock writes: On 5 Sep 2003 10:57:03 -0700, (N2EY) wrote: Bob Brock wrote in message m... On 05 Sep 2003 11:19:23 GMT, (N2EY) wrote: In article , Bob Brock writes: On 05 Sep 2003 03:41:16 GMT, (WA8ULX) wrote: I think that they should know what all those nifty buttons actually do. That's a problem, because many rigs have so many features and menus that almost nobody knows *all* of them. But if you're talking about basic operation and operating practice, there's no reason it couldn't be done. They should know how to enter into a conversation. A list of "critical tasks" and "non-critical tasks" should be developed and a person not be licensed until they can actually show competence in those tasks. Those are the types of issues that I'd like to see the ham community discussing rather than the endless code/no-code debate that detracts from everything else. Actually, this very idea was discussed here over 5 years ago. Here's what I proposed: (BEGIN QUOTE): It seems to me that just dropping the code test would remove the last vestige of skills testing from the licensing process. Perhaps the code test should be replaced by a real practical operating test. Such a test could work like this: Two typical ham rigs are set up so that the operators of each one cannot see or hear each other. The rigs are connected to dummy loads which are located adjacent to each other. (The idea is to permit a "contact" from one rig to the other, without putting much of a signal on the air). The testee and a VE sit at one rig, and another VE sits at the other. The testee is given a sealed envelope and a few minutes to get familiar with the operation of the rig. (The operating instructions for the rig would be available at any time). When the actual test begins, the testee opens the sealed envelope and a timer is started. Inside the envelope are a set of instructions telling the testee to go to a specific frequency and call the VE at the other rig, make contact, and send the enclosed formal message. The VE at the other end has a similar sealed envelope, but with a different message, which is to be received by the testee. The idea is to test the actual radio operating skills of the testee under controlled conditions. There would be a time limit, too. (That's what the timer is for). The testee would have the choice of CW, voice or a digital mode for the test. Time limits and exact instructions would vary with the mode and the class of license being tested. Higher class tests could have shorter time limits, longer messages, and more complicated instructions, such as having to change frequency at a certain point in the contact, having to pick the frequency from a list that includes "wrong choices", etc. Scoring would be on the basis of mistakes. If a word in the messages is missing or misspelled, that's a mistake. If nonstandard procedure or phonetics are used, each deviation is a mistake. If the time limit is exceeded, each minute over the limit is a mistake. Exceed a certain number of mistakes and the test is failed. Asking for a repeat of a missed word would NOT be a mistake. Typical exams (but not the exact exams themselves) would be available as study guides. Audiotapes of typical tests could be used for study as well. Yes, it's a bit more complex than a straight code receiving test, and requires some equipment and two VEs to conduct it. (Perhaps the VE at the testee's position isn't really needed). But it could be done quite easily, and in such a way as to test real operating skills. The rigs used need not have lots of features, and QRP power levels would be more than adequate. Or a "rig simulator" that's really a gussied-up intercom could be used. Is there any real reason such testing could not be done? Is it expecting too much that a prospective ham be able to pass such a test? I think not! (END QUOTE) That description was part of a longer post from June 19, 1998. For the original, see: http://groups.google.com/groups?selm...892%40ladder03. news.aol.com&output=gplain Note that one of the features of the test is that the person being tested gets to choose the mode used. Those who like Morse best can be tested using that mode, etc. I reposted the idea a few times but always got the same response from the nocodetest folks: Opposition to the idea of ANY form of practical skills test. Well, I guess I'm an exception to the rule. I'd support exactly something along those lines. That makes two of us. Have them set up a very simple radio into dummy loads and actually have a conversation. Better yet, have them handle a simple message so there is something measurable and related to public service communication. All of the name calling and false accusations from both sides makes us look silly to those who read it. That's true. I'm really glad that it will be ending soon. You know something we don't? FCC has been extremely slow in acting on various proposals over the past few years. The 2000 restructuring took almost two years, start-to-finish. Frankly, given the FCC's words in the Report and Order to 98-143 (the restructuring), I'm surprised that Element 1 is still in place. FCC said there was "no regulatory purpose" for code testing *except* meeting the treaty requirement. Treaty requirement is gone. Based on its own logic, FCC now has no reason at all to keep Element 1. Yet they are going through the whole NPRM cycle again. Why? Could it be they have changed their minds? However the issue is decided, I doubt that all of the name calling and false accusations will stop. You should see some of the names I've been called for daring to disagree with some folks, and for pointing out their mistakes in fact, logic and math. Perhaps then, we can move on to more important issues. Maybe - but given the resistance to my idea of 5+ years ago, I doubt it. I don't know. Although the posts to the ng haven't changed over the years, people and positions do change. Maybe. From what I've seen, there's more change in the posts than in people's positions. I've had a few people post dissatisfaction with the knowledge level of the current testing and they seem to agree that the current tests allow people to be licensed that don't know protocols or even how to set up and operate the equipment. Agreed! But I have also seen lots of stuff in the other direction. Check out the flak I'm getting from the irony-impaired over the "Smith Chart Test" post. The people that need convincing are the FCC, and from their actions over the past 25+ years it looks to me like they are not about to improve the written tests. Your proposal sounds like a step in the right direction. Thanks - but I imagine that W5YI and NCVEC would oppose it even more bitterly than the code test. I'm sure that not everyone will agree with performance based testing in addition to a written test. That's an understatement. Google up the responses I got from the above post. Some of 'em aren't pretty. However, perhaps a consensus could be reached. Even if that happens, the FCC then has to be sold on the idea. If a consensus was reached in the ham coumunity that testing was inadequate at its current level, would selling the idea to them really be that hard? Probably - but I doubt we'd ever get a consensus anyway. FCC is into deregulation; their actions speak louder than words. Afterall, it hams who would have to bear the burden of administering the additional test requirements. And they complain loudest of all. Look at the NCVEC petition - they talk about the code tests being a burden on the VEs. Huh? Play the tape, check the answer sheets for 7 or more correct fillins or 25 correct characters. If that's a "burden", what do you think NCVEC will say about having to have an actual simulated QSO? I don't think that anyone wants to see people licensed to operate radios who don't know the basics of setting them up and using them within established protocols. You'll get no argument from me on that idea, but you WILL get one from other folks over whose protocols should be followed and what constitutes following them. So, how would we go about starting a movement towards perfromance based testing? I would be willing to do what I could to help. You could start by writing up a petition to the FCC suggesting replacement of the code test with an operating skills test. Use my description if you want, modiufy it, whatever. There are 8 petitions now, what could one more hurt? The big stumbling blocks that I see a - NCVEC will have a fit. - Some hams will too. - You need an objective testing and marking method that minimizes the need for VE judgement - You need to convince FCC that we really *need* this sort of test, and that serious problems will result without it. (That's the toughest part.) Good luck! 73 de Jim, N2EY |
"Dee D. Flint" wrote in message gy.com... "Bob Brock" wrote in message ... On 05 Sep 2003 03:41:16 GMT, (WA8ULX) wrote: Then what do you think that they test for? Oh I know what they Test for, and it is not knowledge,it is nothing then Memozizing some Q&As that have no meaning to the test taker. The writtens are nothing more than jumping thru hoops In other words, since they provide the question pool, you don't think that people have to learn the answers in order to correctly answer the questions? How do you think that they figure out how to fill in the correct answer then? Both the pool AND answers are published. Let's take a typical question: What is the length of a dipole for 14.240Mhz? Of what wavelength???? That is an important factor in the equation. -- Ryan, KC8PMX FF1-FF2-MFR-(pending NREMT-B!) --. --- -.. ... .- -. --. . .-.. ... .- .-. . ..-. .. .-. . ..-. ... --. .... - . .-. ... |
"Ryan, KC8PMX" wrote in message ... "Dee D. Flint" wrote in message gy.com... "Bob Brock" wrote in message ... On 05 Sep 2003 03:41:16 GMT, (WA8ULX) wrote: Then what do you think that they test for? Oh I know what they Test for, and it is not knowledge,it is nothing then Memozizing some Q&As that have no meaning to the test taker. The writtens are nothing more than jumping thru hoops In other words, since they provide the question pool, you don't think that people have to learn the answers in order to correctly answer the questions? How do you think that they figure out how to fill in the correct answer then? Both the pool AND answers are published. Let's take a typical question: What is the length of a dipole for 14.240Mhz? Of what wavelength???? That is an important factor in the equation. -- Ryan, KC8PMX FF1-FF2-MFR-(pending NREMT-B!) --. --- -.. ... .- -. --. . .-.. ... .- .-. . ..-. .. .-. . ..-. .. --. .... - . .-. ... Congratulations you have just proven you have NO CONCEPT of what was asked. Does 468 divided by Frequency in Mhz mean anything to you? Dan/W4NTI |
"Carl R. Stevenson" wrote:
How many *US* licensees are members of FISTS, Dick? Geez, talk about a page from history! It was years ago that I posed almost the same question to you, Carl, except I asked "How many members of NCI are licensed" to which you replied, "It doesn't matter..." 73, Jeff KH6O -- Operations Specialist 1st, U.S. Coast Guard Mathematics Lecturer, University of Hawaii System |
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Jeffrey Herman wrote:
"Dan/W4NTI" wrote: I hate to break it to you fine folks....But.....there is no such thing as a 1/4 wave DIPOLE. then "Bob Brock" wrote in message Searched the web for 1/4 wave dipole. Results 1 - 10 of about 39,100. Search took 0.17 seconds So Bob, go ahead and build a "1/4 wave dipole" and tell us how it performs! "Dipole" *is* defined as half-wave, for within any half-wave segment, there are two (di-) voltage/current poles. You cannot have a "1/4 wave dipole." When that term is used (such as in your Google search), they're really refering to each of the two elements as being 1/4 wave- length each, and 1/4 * 2 = 1/2. I did the same search. You don't get anywhere as many hits (104) when searching on 1/4 wave dipole. Interestingly enough, you get some where people are asking if a poster *really* meant 1/2 wave dipole. If you just type in 1/4 wave dipole, you'll get hits on 1/4 1/4 wave. 1/4 wave dipole, wave, and dipole. I don't doubt that you could get around 39,000 hits with that broad a search. At best, it is a misnomer, at worst, a pretty poor antenna. - Mike KB3EIA - |
Jeffrey Herman wrote:
"Carl R. Stevenson" wrote: How many *US* licensees are members of FISTS, Dick? Geez, talk about a page from history! It was years ago that I posed almost the same question to you, Carl, except I asked "How many members of NCI are licensed" to which you replied, "It doesn't matter..." Jeffrey, the answer is "thousands, and growing every day." It's too bad that a person that refuses to give out even the basic numbers of devotees decides to ask for a numerical breakdown of a rival groups numbers. Assuming his accounting methods are acceptable, the answer is thousands, and growing every day. - Mike KB3EIA - |
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