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Recent content by mopar2ya

  1. M

    CHANNEL GUARD CB FILTER

    dud muck, As far as I can tell, audio quality as far as frequency response is concerned is unaffected although I will admit I have never done a direct A/B test side by side. I run one "Galaxy" chassis without and one with the Channel Guard every day. I do notice one rather annoying trait...
  2. M

    CHANNEL GUARD CB FILTER

    I have one installed in a Voyage 9000. It cures the problem that -some- Galaxy radios have. The problem is that another operator on another frequency can take out someone on your frequency seemingly regardless of how much power either one is running. You can hear this adjacent channel fellow as...
  3. M

    COBRA 200 GTL-DX Revision 3

    It would be nice if it worked that way, but unfortunately it doesn't. The world is filled with items that seemed to work fine in the lab, but had fairly disastrous results in the real world. Just ask anyone that manufacturers software, automobiles, radios, airplanes, game systems, toilets...
  4. M

    New Jersey Passes a No-hands Cellphone law.

    I just skimmed the article, so if I missed something, I will just say oops now. If the only exemption is amateur radio, this also would make it illegal for police, fire, taxi, school bus, gas company, electric company, etc. to use their radios while in motion.... wouldn't it? What a joke...
  5. M

    tuning and antenna placement

    First of all, marketing that device you purchased as a ground plane kit says a lot about the manufacturer, and the retailer. The device is not a ground plane kit. Second, are you sure it isn't just syntax? What I mean is... There are many different types of folks on the CB, and they all speak...
  6. M

    Stock Maco gamma vs off-the-shelf beta match CHALLENGE!

    The article that makes the harmonics claim says that this characteristic of the antenna is attributed to the fact that it is a single band antenna. As you can see below, they have determined that TVI can be eliminated with it as well. I wouldn't hold out any hope that this is going to help you...
  7. M

    what to do with excess coax in a mobile ?

    Someone with more information on CB history can better answer that one. It could be that somewhere in our past there was a compelling reason to sell 18' of coax. It is a convenient length at 11m if the VF is .66 because it includes a 1/4 wave transformer within its length. In some...
  8. M

    what to do with excess coax in a mobile ?

    18' is the approximate length of a half wave at 11m in free space. You would need to multiply the wavelength desired in feet by the velocity factor of the transmission line in feet to get the proper physical length. You know 4600 Turbo, I tried to help you understand this about a month ago on...
  9. M

    Need advice!

    Thanks loosecannon. I am glad it was a misunderstanding as well. Good call on the Lou Franklin material. I love that book. With his electronics background, noyb72 will understand it much more completely than I do. Mopar
  10. M

    Need advice!

    Noyb72, It is interesting to me how what you wrote infuriated me so much. I was definitely angrier than I have ever been about anything in one of these forums. I have found another weakness in my personality to add to the multitude of other weaknesses. What you wrote: “I understand you...
  11. M

    cobra 29 problem a really weird one help

    Hey, thanks for the update! I'm glad you got it working. Mopar
  12. M

    Need advice!

    I will tell you how I have learned what little I know. I don't have anyone around here to hold my hand and teach me RF theory while I am looking at particular devices. So, when you are green, not only do you not know how something works, you don't even know what questions to ask to figure out...
  13. M

    Need advice!

    Ahh. Lookie there. QRN wanders in. Remember that name? I mentioned him in the post on that other forum that made me an idiot in your mind.... You are lucky he was too stunned to say anything rude. In case you are wondering... NO! I did not PM him or anyone else to come to my rescue. [SNIP]...
  14. M

    Need advice!

    Google it yourself you pompous...... [Mopar shudders with anger and regains his composure.] Yes I am offended. I am done helping you. Someone with a degree can cut your erroneous posts to shreds. Geez I hope freecell wanders in here. If he takes the time to wipe you out line by line, you...
  15. M

    Need advice!

    Yep, just a few. 1. You are badly confused about bias and modulation. The two have nothing to do with one another. --The percentage of modulation is measured as compared to the carrier. --The conduction angle has to do with bias and is unrelated to modulation. It is the amount of...