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Date: Mon, 23 Jun 2014 20:57:46 -0400
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From: Warren Ziegler <wd2xgj@gmail.com>
To: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
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 Content preview:  Joe, <snip> 10 watts from an 1970's keyboard amp (volume control
    set on 3) <snip> For T/A you will need to turn the volume up to 11 :-) http://www.youtube.com/watch?v=4xgx4k83zzc
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Subject: Re: LF: VLF in Canada
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--001a11c27e38ae927f04fc8a7270
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Joe,
<snip> 10 watts from an 1970's keyboard amp (volume control set on 3) <snip>

         For T/A you will need to turn the volume up to 11 :-)
http://www.youtube.com/watch?v=4xgx4k83zzc

73 Warren K2ORS




On Mon, Jun 23, 2014 at 3:33 PM, <jcraig@mun.ca> wrote:

> Dear Group,
>
> I tried again to get an LOA  for VLF.  This time, the response from
> Industry Canada was favourable: 10 mW 8.0-8.3 kHz.  Yesterday, after a few
> slight rf burns, and  thanks to PA0RDT's miniwhip design and DL4YHF's
> Spectrum Lab and advice, VLF sigs on 8.277 kHz were heard at 200m from the
> 100m wire aerial. This was a reception outside my back yard!  10 watts from
> an 1970's keyboard amp (volume control set on 3) were stepped up with an
> xfmr to a lossy 500 ohm tuning coil peaked with a ferrite rod for maximum
> squeal at L=0.35 H.
>
> Is it possible for someone who is not especially enthralled by winding
> a mile of 0.7mm wire to use an iron core to make a VLF tuning coil?
>
> 73
> Joe VO1NA
>
>


-- 
73 Warren K2ORS
                WD2XGJ
                WD2XSH/23
                WE2XEB/2
                WE2XGR/1

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Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Joe,<div>&lt;snip&gt;<span style=3D"font-family:arial,sans=
-serif;font-size:12.800000190734863px">=C2=A010 watts from an 1970&#39;s ke=
yboard amp (volume control set on 3) &lt;snip&gt;</span></div><div><font fa=
ce=3D"arial, sans-serif"><br>
</font><div>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0For T/A you will need to turn=
 the volume up to 11 :-)=C2=A0</div></div><div><a href=3D"http://www.youtub=
e.com/watch?v=3D4xgx4k83zzc">http://www.youtube.com/watch?v=3D4xgx4k83zzc</=
a><br></div><div><br></div><div>
73 Warren K2ORS<br><br></div><div><br></div></div><div class=3D"gmail_extra=
"><br><br><div class=3D"gmail_quote">On Mon, Jun 23, 2014 at 3:33 PM,  <spa=
n dir=3D"ltr">&lt;<a href=3D"mailto:jcraig@mun.ca" target=3D"_blank">jcraig=
@mun.ca</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Dear Group,<br>
<br>
I tried again to get an LOA =C2=A0for VLF. =C2=A0This time, the response fr=
om Industry Canada was favourable: 10 mW 8.0-8.3 kHz. =C2=A0Yesterday, afte=
r a few slight rf burns, and =C2=A0thanks to PA0RDT&#39;s miniwhip design a=
nd DL4YHF&#39;s Spectrum Lab and advice, VLF sigs on 8.277 kHz were heard a=
t 200m from the 100m wire aerial. This was a reception outside my back yard=
! =C2=A010 watts from an 1970&#39;s keyboard amp (volume control set on 3) =
were stepped up with an xfmr to a lossy 500 ohm tuning coil peaked with a f=
errite rod for maximum squeal at L=3D0.35 H.<br>

<br>
Is it possible for someone who is not especially enthralled by winding<br>
a mile of 0.7mm wire to use an iron core to make a VLF tuning coil?<br>
<br>
73<br>
Joe VO1NA<br>
<br>
</blockquote></div><br><br clear=3D"all"><div><br></div>-- <br>73 Warren K2=
ORS<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 WD2XGJ <br>=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 WD2XSH/23<br>=C2=A0=
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 WE2XEB/2<br>=C2=A0 =C2=A0=
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 WE2XGR/1<br><br>=C2=A0
</div>

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