[Antennas] Antennas Digest, Vol 88, Issue 7

[Jim Miller KG0KP]

Sounds like you need to put a 50 ohm resistive load between the box and the 
wire.  I suspect that part of it is missing.  It should work on everything 
from below 160 to 1.2 gig.  73, Jim

----- Original Message ----- 
From: "Bill" <w9ol at billnjudy.com>
To: <antennas at mailman.qth.net>
Sent: Sunday, May 22, 2011 11:01 AM
Subject: Re: [Antennas] Antennas Digest, Vol 88, Issue 7


> Will it load across the whole band of 160?
>
> On 5/22/11 11:01 AM, antennas-request at mailman.qth.net wrote:
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>> Today's Topics:
>>
>>     1. CB Intenna ? (Hue Miller)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Sat, 21 May 2011 22:00:29 -0700
>> From: "Hue Miller"<kargo_cult at msn.com>
>> Subject: [Antennas] CB Intenna ?
>> To:<antennas at mailman.qth.net>
>> Message-ID:<SNT109-DS9C85CE3AA31901BEF179FE4730 at phx.gbl>
>> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
>> reply-type=original
>>
>> While working on my midlife cleanup, I recently rediscovered a CB 
>> curiosity
>> I obtained long ago.
>> I bought this at some kind of store closeout.
>> It is "the Original CB Intenna". "Stop CB Rip Offs with the Intenna. It's
>> Completely Inside - The
>> Car Skin Is The Antenna!"
>>
>> Here's what it consists of: a small one inch metal cube box with 2 holes 
>> in
>> it topside for screwdriver
>> adjustment of what's inside. One side has a coax female. The other side 
>> has
>> a single insulated wire
>> about 20 inches long coming out.
>> Unfortunately I don't know where the instruction sheet is right now, but 
>> I
>> think it's set up like this.
>> You mount the metal coupling box on your dashboard, plug the CB jumper 
>> coax
>> into the coupler and the
>> other end to the CB. The single wire you run up to the rear view mirror 
>> and
>> screw fasten it there so
>> that it actually makes contact with the car chassis. I think it must work 
>> by
>> having the RF path from
>> the rear view mirror spot, around the two halves of the windshield, and 
>> back
>> to the CB radio ground.
>>
>> I wonder what your comments might be. I don't think I would want to use 
>> this
>> with other than QRP,
>> that's for sure.  Maybe I will even try it out. What do you think is in 
>> the
>> metal box? I'm almost
>> curious enuff to unsolder the bottom, but as the set package is whole, I
>> prefer to keep it together
>> as an unusual collectible. Holding the thing up near strong light, I can 
>> see
>> inside the adjustment
>> holes and see there, 2 small mica compression trimmers. So do you think 
>> this
>> is just a capacitive
>> voltage divider (impedance divider), or do you think there's a small coil 
>> in
>> there too, a pi network
>> ( with low power components ).  Anyway, an odd item. I would think it 
>> would
>> be pretty noisy
>> receive, while the engine was running. -Hue Miller K7HUE
>>
>>
>>
>> ------------------------------
>>
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>>
>> End of Antennas Digest, Vol 88, Issue 7
>> ***************************************
>>
>
> -- 
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