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Thread: Need mods for a WWWDX25U50AM

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  1. #1
    Join Date
    Jan 2000
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    Johnson City, TN
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    I am looking at getting into HF and wanted to know if anyone knows if this can be modified for CB radio use. I only want it for channel 19 and maybe some SSB on the upper channels and for the keydown contests on channel 6. Any suggestions? Thanks

    http://www.broadcast.harris.com/product....W501000



    EDIT:
    Based on the number of replies to this post from people who want to point out it is illegal to modify anything to operate on the 11m CB band I am going to tell you what this device is...

    its a Harris Broadcast 50kW-1000kW Digital LW transmitter. While I am sure it would be a lot of fun to operate on channel 19 there is nobody who is mentally sound who would ever mod such a device for 11m use. The cost to run the device would be thousands of dollars per month in power bills alone not to mention the cost of installation and having commercial power brought into the radio room large enough to power such a device. To run such a device at max output you can expect at least 30% more power on teh input. But back to the question at hand...What diode do I need to cut to supermodulate it and open up the channels?



    Dan
    KF4LNE
    Johnson City, TN

  2. #2

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    NO radio can be legally modified in any way, shape, or form for use on the CB channels. Equipment for the CB Service MUST be FCC approved, and conform to the power limits and other standards as set forth in §Part 95. Any modification to the transmitter section of an FCC approved CB radio is also illegal.

  3. #3
    Join Date
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    Talladega, Alabama
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    Just buy a good cheap LEGAL CB. Or, better yet Why? would you want something for 27.185 to begin with.?
    Bryan, AC4BB
    Scio me nihil Scire: Socrates
    Psm:109:8

  4. #4
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    Long Wave Digital Transmitter? For channel 19? Am I missing something here??

    My advice is to get it up to 29.185 instead and wait a few years and it'll probably be just like channel 19... and when they get rid of all the tests, probably legal too.



    Where there is charity and wisdom, there is neither fear nor ignorance.
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  5. #5
    Join Date
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    **** Rest in peace sweet Caylee *****
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    Another one goes over your guys' heads . . .

    Yes, I think you should try this mod and run it. A few adjustments to the tank coil, perhaps adding a few multipliers along the line, and you'll be all set. But what CB antenna can take a megawatt of RF? There I think it where you'll find your problem. That and the light bill will be a little steep when you run the thing too . . .

  6. #6
    Join Date
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    easy chair in front of this computer
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    Quote Originally Posted by [b
    Quote[/b] (kf4lne @ Aug. 06 2005,00:32)]I am looking at getting into HF and wanted to know if anyone knows if this can be modified for CB radio use. I only want it for channel 19 and maybe some SSB on the upper channels and for the keydown contests on channel 6. Any suggestions? Thanks

    http://www.broadcast.harris.com/product....W501000
    heeheehee... Dan, you got em, hook, line, sinker AND zebco reel.

  7. #7

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    Not just any Zebco either, but the much sought after Zebco 202.
    We've been smeckledorfed!

  8. #8
    Join Date
    Jul 2003
    Location
    Norway/Orono, Maine
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    Quote Originally Posted by [b
    Quote[/b] (kf4lne @ Aug. 05 2005,22:32)]I am looking at getting into HF and wanted to know if anyone knows if this can be modified for CB radio use. I only want it for channel 19 and maybe some SSB on the upper channels and for the keydown contests on channel 6. Any suggestions? Thanks

    http://www.broadcast.harris.com/product....W501000
    What in the world is a keydown contest?


    Joe

  9. #9
    Join Date
    Jan 2000
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    Johnson City, TN
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    Quote Originally Posted by [b
    Quote[/b] (W1SK @ Aug. 06 2005,02:53)]
    Quote Originally Posted by [b
    Quote[/b] (kf4lne @ Aug. 05 2005,22:32)]I am looking at getting into HF and wanted to know if anyone knows if this can be modified for CB radio use. I only want it for channel 19 and maybe some SSB on the upper channels and for the keydown contests on channel 6. Any suggestions? Thanks

    http://www.broadcast.harris.com/product....W501000
    What in the world is a keydown contest?


    Joe
    A keydown contest is where 2 idiots who have 3 or more RR alternators under the hood of their Chevy Suburban fire up their 40kw+ CB amps and see who steps on who, also see CB shoot out


    Its also nice to see som people jump at the chance to scream how its illegal to mod something for CB before looking to see that it is a 50kw-1000kw longwave broadcast transmitter As for an antenna that will take that kind of power I think a Solarcon Imax 2000 will handle that



    Dan
    KF4LNE
    Johnson City, TN

  10. #10

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    LNE:

    I sincerely hope that you are "pulling everybody's leg" with your question. If not, please be warned that by using such a device on one of the Class "D" Citizen's Radio Service frequencies that you can be fined up to $11,000 per day per transmitter, have the equipment confiscated (means "taken away from you"), lose your amateur radio operator's license for the rest of your life, and even be imprisoned (means "go to jail"). The FCC comes down much harder on amateur radio operators who get caught operating illegally since they have certified by signing their license application that they are familar with the rules and regulations concerning the proper operation of radio transmitting equipment.

    Glen, K9STH

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