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Message-ID: <57684635D5B94130BC188F645750564D@IBM7FFA209F07C>
From: "Chris" <c.ashby435@btinternet.com>
To: <rsgb_lf_group@blacksheep.org>
References: <CBAD937EF7C9496DB537A6611FB0EB03@IBM7FFA209F07C> <4AEF15CA.24356.160823@mike.dennison.ntlworld.com> <9afca2640911021139j1be380f0o1d76d293bb8b5764@mail.gmail.com>
Date: Wed, 4 Nov 2009 13:11:20 -0000
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Subject: Re: LF: 'LF Today' Errors
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Hello Roger,
You are right about the transformer thing and the calculation being in=
correct, however, you will be pleased to know this has been put right=
 in the second edition.
I totally agree, these books are an excellent starting point.
Chris, G4AYT.
  ----- Original Message -----=20
  From: Roger Lapthorn=20
  To: rsgb_lf_group@blacksheep.org=20
  Sent: Monday, November 02, 2009 7:39 PM
  Subject: Re: LF: 'LF Today' Errors


  Mike (et al),

  As an owner of the 1st edition of LF Today may I thank you for this=
 most helpful little book; there has been much in it that I've enjoyed=
 and used as sources of information. I do hope a new version is produc=
ed in due course.=20

  Maybe the next edition will include something about WSPR and how eff=
ective results may be achieved, on 500kHz at least, with a totally sim=
ple station set-up like my own running just microwatts ERP.

  The only error/confusion I spotted is on p81 (of the 1st edition) wh=
en it talks about current transformers. There is something screwy here=
 when working out the current in the secondary.

  73s
  Roger G3XBM

  -------------------------------------------------------------
  http://g3xbm-qrp.blogspot.com/
  http://www.g3xbm.co.uk
  G3XBM    GQRP 1678      ISWL G11088

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<DIV><FONT size=3D2 face=3DArial>Hello Roger,</FONT></DIV>
<DIV><FONT size=3D2 face=3DArial>You are&nbsp;right about the transfor=
mer thing and=20
the calculation being incorrect, however, you will be pleased to know=
 this has=20
been put right in the second edition.</FONT></DIV>
<DIV><FONT size=3D2 face=3DArial>I totally agree, these books are an=
 excellent=20
starting point.</FONT></DIV>
<DIV><FONT size=3D2 face=3DArial>Chris, G4AYT.</FONT></DIV>
<BLOCKQUOTE   style=3D"BORDER-LEFT: #000000 2px solid; PADDING-LEFT:=
 5px; PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px">
  <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
  <DIV     style=3D"FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color:=
 black"><B>From:</B>=20
  <A title=3Drogerlapthorn@gmail.com href=3D"mailto:rogerlapthorn@gmai=
l.com">Roger=20
  Lapthorn</A> </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A title=3Drsgb_lf_group@=
blacksheep.org     href=3D"mailto:rsgb_lf_group@blacksheep.org">rsgb_l=
f_group@blacksheep.org</A>=20
  </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Monday, November 02, 20=
09 7:39=20
  PM</DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: LF: 'LF Today'=
 Errors</DIV>
  <DIV><BR></DIV>Mike (et al),<BR><BR>As an owner of the 1st edition=
 of LF Today=20
  may I thank you for this most helpful little book; there has been mu=
ch in it=20
  that I've enjoyed and used as sources of information. I do hope a ne=
w version=20
  is produced in due course. <BR><BR>Maybe the next edition will inclu=
de=20
  something about WSPR and how effective results may be achieved, on=
 500kHz at=20
  least, with a <I>totally</I> simple station set-up like my own runni=
ng just=20
  microwatts ERP.<BR><BR>The only error/confusion I spotted is on p81=
 (of the=20
  1st edition) when it talks about current transformers. There is some=
thing=20
  screwy here when working out the current in the secondary.<BR><BR>73=
s<BR>Roger=20
  G3XBM<BR><BR>-------------------------------------------------------=
------<BR><A     href=3D"http://g3xbm-qrp.blogspot.com/">http://g3xbm-=
qrp.blogspot.com/</A><BR><A     href=3D"http://www.g3xbm.co.uk">http:/=
/www.g3xbm.co.uk</A><BR>G3XBM &nbsp;=20
  &nbsp;GQRP 1678 &nbsp; &nbsp; &nbsp;ISWL G11088<BR></BLOCKQUOTE></BO=
DY></HTML>

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