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| 5 vertical antenna, monopole shoot out (date to be announced) All welcome : ) | |
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| Tweet Topic Started: Saturday, 5. September 2015, 16:27 (1,796 Views) | |
| Smokey Jay | Tuesday, 15. September 2015, 12:32 Post #41 |
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I will make myself available, if at all possible on a hill somewhere. |
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| RadioDaze | Tuesday, 15. September 2015, 12:40 Post #42 |
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Thanks Jay. I am sure many stations more distant than I said will be able to hear given the fairly high vantage point etc. |
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| 26PS001 | Tuesday, 15. September 2015, 13:22 Post #43 |
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26 Charlie Tango 1523
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Really looking forward to the results, some one mentioned video as well, that will be great. Keep up the good work guys |
Charlie Tango member 26CT1523 since 12/11/14 Mark (252) thecobraman tribute youtube channel https://www.youtube.com/channel/UC-jDebaO5BGsAjdy3pNiG7Q | |
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| Northern Crusader | Wednesday, 16. September 2015, 11:58 Post #44 |
26 Charlie Tango 1760
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You have definitely confirmed you know absolutely nothing despite claiming to with that one single sentence. |
| 26CT1760 / M0GVZ | |
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| 26PS001 | Wednesday, 16. September 2015, 12:16 Post #45 |
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26 Charlie Tango 1523
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The wire antenna I use is a vertical sorry for not being more specific though and thanks for the info |
Charlie Tango member 26CT1523 since 12/11/14 Mark (252) thecobraman tribute youtube channel https://www.youtube.com/channel/UC-jDebaO5BGsAjdy3pNiG7Q | |
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| RadioDaze | Wednesday, 16. September 2015, 12:35 Post #46 |
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A bit harsh, it depends doesn't it? On what the definition of "needed" is. Any piece of wire will work, as in radiate RF. Where and with what efficiency is more complex. (and I am trying to learn myself here) End feds without large ground planes (and isolation from mounting poles) potentially suffer from common mode currents on feeders and poles so there could be argument that given such potential manufacturers could try and make that less ambiguous either by selling their antenna with a large ground plane included where it does not exist or building a choke into the design. Unless of course common mode currents are intended to be there as part of the antenna working characteristics. (which sounds very ambiguous given any potential coax length and or mounting methods) Notwithstanding the GM which is a different design altogether. So far it seems in most of my installs of various ways and places everything seems to have worked out ok with no perceived ill effects at the radio end. |
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| 26PS001 | Wednesday, 16. September 2015, 12:39 Post #47 |
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26 Charlie Tango 1523
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Not being funny conor but I normally stay neutral and ignore some stuff that people read to avoid arguments etc although I do love a good debate, I may be picking up your posts wrong here and if I am then I apologise but you seem hell bent on showing everyone that you are infact an expert in this matter and trying to belittle the rest for maybe not having the same antenna testing knowledge or apparatus as you. I dont have a clue how to scientifically test antennas but if a friend say 6 miles plus away can hear me better on one antenna compared to another then I know that one is doing better for me. No its not a scientific day its a fun day to see if the performance changes between antennas by receiving /listening and maybe the radio meter reading. Im sure most of us here will agree that if two different antennas have a similar V-SWR, they are at the same height, at the same location using the same radio and power then if we can see a difference between them then its a success, we have found the better antenna to use at that location. At the end of the day Im hoping we can get a comparison between these antennas by having a long distance ground wave contact to see if one antenna performs better than the other. Is one struggling to make the distance compared to the others, can contacts be heard just about the same without struggling, more importantly for me can a cheap coax antenna make the journey just as well as a commercially bought antenna which I have always said these expensive bought antennas do no better and the hype surrounding them is why people go out and buy them. Dont get me wrong yes I am interested in a scientific test as well but this test is not about that, maybe you woud be willing to do such a test some day and again I would be just as interested in what you find. Come on mate show a bit more positive interest, these guys need applauding for what they are doing I thank you guys for doing this and really interested and looking forward to your findings.
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Charlie Tango member 26CT1523 since 12/11/14 Mark (252) thecobraman tribute youtube channel https://www.youtube.com/channel/UC-jDebaO5BGsAjdy3pNiG7Q | |
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| Mark in Essex | Wednesday, 16. September 2015, 12:46 Post #48 |
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26 Charlie Tango 037
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Summed up in a nutshell.... well said Daz
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[][img][/img][/url] https://www.youtube.com/user/26TANGOMIKE037/videos Nembutol numbs it all But I prefer alcohol | |
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| Cozzmik | Wednesday, 16. September 2015, 16:33 Post #49 |
26 Charlie Tango 465
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This ^^^^^^^^^^ Lots of chest puffing out goes on when antennas are involved....and the thought of just trying something non scientific surely isnt allowed in the world of radio Lighten up or keep out of it
Edited by Cozzmik, Wednesday, 16. September 2015, 16:35.
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| RadioDaze | Wednesday, 16. September 2015, 16:42 Post #50 |
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I cannot understand how multiple meters on the RX are less scientific than one single one where the aerial is (i.e. field strength meter). Surely the science has to hold up in real life otherwise it's value is merely as a token. Surely averaging is a valid scientific method. |
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| razor36 | Wednesday, 16. September 2015, 16:44 Post #51 |
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who gives a monkeys
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| M0LSG | |
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| Cozzmik | Wednesday, 16. September 2015, 16:46 Post #52 |
26 Charlie Tango 465
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Yep its always worked for me and ive used my s meters many times to show the difference of anothers antennas....but its still to basic for some certain people |
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| Cozzmik | Wednesday, 16. September 2015, 16:48 Post #53 |
26 Charlie Tango 465
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Me.. I think its a good idea what Geoff is going to do For those not interested ,jog on!!! |
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| razor36 | Wednesday, 16. September 2015, 16:50 Post #54 |
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on me marks
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| M0LSG | |
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| Andydx103 | Wednesday, 16. September 2015, 17:03 Post #55 |
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Me too and now ive got my tower and antennas repositioned i should be around Very accurate s/meter at the ready
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| Miko | Wednesday, 16. September 2015, 18:43 Post #56 |
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Jeff, I think it's a brilliant project, it maybe unscientific according to some but it's a very positive and interesting experiment and I wish you every success. I'm glad you havn't reacted to the negative comments by the 'Know it alls' . Will try to get on the air at the time but doubt if I'll hear you from home, that enormous chalk escarpment at Challock/Charing blocks everything in that direction. Have fun. Mick. |
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| RadioDaze | Wednesday, 16. September 2015, 20:22 Post #57 |
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That sounds good ! I have been out testing the IMAX out, SWR seems fine and seems to work ok. No way to get a grip on performance really as I change QTH often, different pole heights from 3 to 5 poles, power up and down like a yo yo, use different antennas, so no-one will have the foggiest of what my signal is normally anyway. Rough format: I will choose either the Saturday 17th Oct or Sunday 18th Oct based on weather conditions 3 days in advance announce it in this topic. I will get out in the morning and prep. I will set the first antenna up and announce myself as Radiodaze Geoff and the test for a minute or 2 once I have everything in place. I suggest a 1pm sharp start. "Antenna A, Mount A blah blah blah for 45seconds" listen out for anyone who wants me to re-key if they had a problem getting a reading announce an antenna switch and I'll be back in 5-10 mins or so. Then I will ask known keyer 1 to key up for 30 seconds and I will take a meter reading for my RX, then the same for known keyer 2. I will keep the known keyers to 2 I think otherwise it could get a little too long and faffy for all involved. Frequency will be announced on the shout box on the day so I can assess QRM at the QTH. Rinse and repeat for all antennas and mounts. |
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| Cozzmik | Friday, 25. September 2015, 11:20 Post #58 |
26 Charlie Tango 465
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Count me out of the test but i will be popping along on the day for a chat.. |
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| Nubster | Friday, 25. September 2015, 11:22 Post #59 |
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26 Charlie Tango 050
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He is such a exspert at all radio stuff why do a test he knows the answers already
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Life is too short, so ave a laugh now n then never know you might like it | |
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| RadioDaze | Friday, 25. September 2015, 11:32 Post #60 |
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It's off now, hope you got what you wanted. |
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8:48 AM Jul 11
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well said Daz
or keep out of it

8:48 AM Jul 11