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Subject:
From:
Russ Kiehne <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Thu, 27 Jan 2011 08:55:24 -0800
Content-Type:
text/plain
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text/plain (99 lines)
I agree, a long wire would be my best option.  I haven't decided what I'll 
do for an antenna.
----- Original Message ----- 
From: "Steve Dresser" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, January 27, 2011 8:31 AM
Subject: Re: Really Big Transmitters


> Russ,
>
> I guess if an indoor antenna is your only option, either of these will 
> work,
> but you're probably best off with a simple longwire strung up outside if 
> you
> can do it.
>
> Steve
>
> ----- Original Message ----- 
> From: "Russ Kiehne" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Thursday, January 27, 2011 10:10
> Subject: Re: Really Big Transmitters
>
>
>>I see there is another one of these called: The Wellbrook.
>> ----- Original Message ----- 
>> From: "Steve Dresser" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Wednesday, January 26, 2011 10:15 AM
>> Subject: Re: Really Big Transmitters
>>
>>
>>> Russ,
>>>
>>> Like any broadband antenna, this one has to be a compromise.  Beyond
>>> that,
>>> though, it's hard to say what it will do.
>>>
>>> Steve
>>>
>>> ----- Original Message ----- 
>>> From: "Russ Kiehne" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Wednesday, January 26, 2011 11:15
>>> Subject: Re: Really Big Transmitters
>>>
>>>
>>>> The reason I ask, do you know anything about the following antenna?
>>>> The AOR LA390
>>>> is a wide range receiving antenna that covers from 10 kHz to 500 MHz.
>>>> There
>>>> are
>>>> four selectable
>>>> band ranges
>>>> from 150 kHz to 30 MHz that allow manual tuning and then fixed 
>>>> operation
>>>> for covered
>>>> frequencies from 10-149 kHz and 30-500 MHz. The built in amplifier
>>>> provides
>>>> up to
>>>> 20 dB of gain. This indoor antenna is ideal when space is at a premium.
>>>> This
>>>> active
>>>> loop antenna has a 1 foot diameter. The single supplied loop element is
>>>> all
>>>> that
>>>> is required for the entire reception range.
>>>> ----- Original Message ----- 
>>>> From: "Martin McCormick" <[log in to unmask]>
>>>> To: <[log in to unmask]>
>>>> Sent: Wednesday, January 26, 2011 7:44 AM
>>>> Subject: Re: Really Big Transmitters
>>>>
>>>>
>>>>> Russ Kiehne writes:
>>>>>> I was wondering, what are you using for an antenna on longwave?
>>>>>
>>>>> A very, very poor antenna for now. It is the three guy
>>>>> wires on my tower electrically tied together. When we get some
>>>>> milder weather, I plan to change that to an inverted V type
>>>>> configuration. I have heavy insulators designed to be load
>>>>> bearing on each end of each guy wire and each wire is about 55
>>>>> feet long so it still will not be very efficient on long wave.
>>>>> Some of the really good long wave antennas are large coils or
>>>>> loops of wire on a big frame which I should probably try some
>>>>> time to see if I hear anything more than I do now.
>>>>>
>>>>> Short of hitting the jack pot and buying a huge ranch
>>>>> out in the country, all my low-frequency antennas will be
>>>>> extreme compromises.
>>>>>
>>>>> By the way, I hear that long-wave antennas work well
>>>>> when run just above the ground. Low-frequency RF does not
>>>>> propagate via the same mechanisms that HF does.
>>>>
>> 

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