In the mid 40s, ZENITH sold a portable battery operated radio with
astonishing receiving capability using what they called a wave magnet. It
didn't look like other internal loop antennas. Wonder if it was something
like what you are describing, Buddy?
73:
Bob Martin
----- Original Message -----
From: "Buddy Brannan" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, February 10, 2014 4:48 PM
Subject: Re: New blind-hams list?
>A magnetic loop, AKA small transmitting loop, is a loop that=92s less =
> than 1/10 wavelength for whatever band. It=92s tuned with a capacitor =
> and fed either with a toroid transformer or a coupling loop, usually, =
> opposite the tuning capacitor. We=92re talking about really high =
> voltages across the cap, so you=92re looking usually at QRP, unless you =
> use a big butterfly cap or a vacuum variable. They work surprisingly =
> well given their size and very low height above ground.
> --
> Buddy Brannan, KB5ELV - Erie, PA
> Phone: (814) 860-3194 or 888-75-BUDDY
>
>
>
> On Feb 10, 2014, at 4:45 PM, Howard, W A 9 Y B W =
> <[log in to unmask]> wrote:
>
>> Now, tell me just exactly what is a magnetic loop compared to other=20
>> loop-type antennas.
>>=20
>> Howard #3
>>=20
>> ----- Original Message -----=20
>> From: "eric oyen" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Monday, February 10, 2014 3:37 PM
>> Subject: Re: New blind-hams list?
>>=20
>>=20
>>> I understand that. However, I still get the impression. call it an =
> over =3D
>>> developed sense of paranoia. :)
>>>=20
>>> anyway, back to ham radio.
>>>=20
>>> ANyone around here have experience putting together a magnetic =3D
>>> transmitting loop? It seems I can't find a good verbal description on =
> =3D
>>> how to properly build one. lots of images, but nothing I can use.
>>>=20
>>> -eric
>>>=20
>>> On Feb 10, 2014, at 2:12 PM, Howard, W A 9 Y B W wrote:
>>>=20
>>>> Eric,
>>>> =3D20
>>>> I have read every message on this thread.
>>>> =3D20
>>>> I don't think anyone was intentionally bashing those of you who use =
> =3D
>>> Macs. I=3D20
>>>> think they were just trying to point out that it seems to be more =3D
>>> prevalent=3D20
>>>> from them.
>>>> =3D20
>>>> Howard #3
>>>> =3D20
>>>> ----- Original Message -----=3D20
>>>> From: "eric oyen" <[log in to unmask]>
>>>> To: <[log in to unmask]>
>>>> Sent: Monday, February 10, 2014 11:41 AM
>>>> Subject: Re: New blind-hams list?
>>>> =3D20
>>>> =3D20
>>>>> I also agree. SOmething has to be done as we mac users (and there =
> are =3D
>>> =3D3D
>>>>> far more of us than "just a few") are growing in number. I have =3D
>>> checked =3D3D
>>>>> every way that I can and there appears to b no way to change how =3D
>>> apple =3D3D
>>>>> mail sends its messages. In fact, I have looked at one of the sent =
> =3D3D
>>>>> messages using a hex editor and it seems that apple mail isn't =3D
>>> sending =3D3D
>>>>> with those extraneous characters in each message. This clearly =
> means =3D
>>> =3D3D
>>>>> that the fault exists elsewhere and there is nothing we blind mac =3D=
>
>>> users =3D3D
>>>>> can do about it from our end. SO, telling those of us who use macs =
> to =3D
>>> =3D3D
>>>>> take off just isn't going to solve the problem. Its just going to =
> =3D3D
>>>>> alienate us blind mac users who are also hams.
>>>>> =3D20
>>>>> Now, I joined this group because its one of a very few that =
> actually =3D
>>> =3D3D
>>>>> cater to blind hams, their specific knowledge and tips on how to =3D
>>> operate =3D3D
>>>>> radio equipment. I still want to participate. However, I am sensing =
> a =3D
>>> =3D3D
>>>>> certain level of hostility toward myself (and others who use macs). =
> =3D
>>> It =3D3D
>>>>> is making me feel less than welcome. I don't have the $2,000 it =
> takes =3D
>>> to =3D3D
>>>>> get a proper windows machine with jaws on it just to satisfy 1 =3D
>>> mailing =3D3D
>>>>> list.
>>>>> =3D20
>>>>> so, I think I shall shut up and just lurk.
>>>>> =3D20
>>>>> -eric
>>>>> =3D20
>>>>> On Feb 10, 2014, at 8:32 AM, Steve Dresser wrote:
>>>>> =3D20
>>>>>> Tom,
>>>>>> =3D3D20
>>>>>> =3D3D46rom everything I've heard, the extraneous character problem =
> =3D
>>> can't =3D3D
>>>>> be solved=3D3D20
>>>>>> by individuals, which is what's causing the frustration. If =
> someone =3D
>>> =3D3D
>>>>> knows=3D3D20
>>>>>> of an effective solution, please share with the rest of us.
>>>>>> =3D3D20
>>>>>> Steve
>>>>>> =3D3D20
>>>>>> ----- Original Message -----=3D3D20
>>>>>> From: "Tom Brennan" <[log in to unmask]>
>>>>>> To: <[log in to unmask]>
>>>>>> Sent: Monday, February 10, 2014 09:59
>>>>>> Subject: Re: New blind-hams list?
>>>>>> =3D3D20
>>>>>> =3D3D20
>>>>>>> This is a well over done but somewhat interesting thread. The =
> =3D3D
>>>>> problems=3D3D20
>>>>>>> seem to
>>>>>>> be with a small number of people who are complaining about =3D
>>> message=3D3D20
>>>>>>> formatting.
>>>>>>> The solution seems to be to create a new list just because of =
> those =3D
>>> =3D3D
>>>>> few=3D3D20
>>>>>>> folks.
>>>>>>> It seems that it would be far easier for those folks to solve the =
> =3D3D=3D
>>>=20
>>>>> problem=3D3D20
>>>>>>> from
>>>>>>> their end rather than disrupt a list which is running well and =
> has =3D
>>> =3D3D
>>>>> run=3D3D20
>>>>>>> well for
>>>>>>> years.
>>>>>>> =3D3D20
>>>>>>> Another consideration is the loss of privacy that moving the list =
> =3D
>>> to=3D3D20=3D3D
>>>>> =3D20
>>>>>>> someone
>>>>>>> like Yahoo will involve. It almost seems as though people =
> don't=3D20
>>>>>>> care=3D3D20=3D3D
>>>>> =3D20
>>>>>>> about such
>>>>>>> these days but there are enough of us on the list who are older=20=
>
>>>>>>> who=3D20=3D
>>>=20
>>>>>>> I=3D3D20=3D3D
>>>>> =3D20
>>>>>>> would
>>>>>>> think would be concerned about this.
>>>>>>> =3D3D20
>>>>>>> My vote would be to leave well enough alone.
>>>>>>> =3D3D20
>>>>>>> Tom
>>>>>>> =3D3D20
>>>>>>> =3D3D20
>>>>>>> Tom Brennan KD5VIJ, CCC-A/SLP
>>>>>>> web page http://titan.sfasu.edu/~g_brennantg/sonicpage.html
>>>>>>> =3D3D20=3D20=20
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